Home / 171,335,678-261,018,849

Finding the Third Proportional to 171,335,678 and 261,018,849

Calculator

Solution

The third proportional to 171,335,678 and 261,018,849 is: 397,645,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,335,678 : 261,018,849 = 261,018,849 : x
  2. Step 2: Convert to fraction form
    171,335,678/261,018,849 = 261,018,849/x
  3. Step 3: Cross multiply
    171,335,678x = 261,018,849 × 261,018,849
  4. Step 4: Simplify right side
    171,335,678x = 68,130,839,533,284,800
  5. Step 5: Solve for x
    x = 68,130,839,533,284,800/171,335,678
  6. Step 6: Final answer
    x = 397,645,372.69

Related Problems

Find third proportional to 85,667,839 and 130,509,424.50
Half scale
Find third proportional to 342,671,356 and 522,037,698
Double scale
Find third proportional to 171,335,680 and 261,018,852
Similar ratio
Find third proportional to 257,003,517 and 391,528,273.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.