Home / 120,834-261,106

Finding the Third Proportional to 120,834 and 261,106

Calculator

Solution

The third proportional to 120,834 and 261,106 is: 564,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834 : 261,106 = 261,106 : x
  2. Step 2: Convert to fraction form
    120,834/261,106 = 261,106/x
  3. Step 3: Cross multiply
    120,834x = 261,106 × 261,106
  4. Step 4: Simplify right side
    120,834x = 68,176,343,236
  5. Step 5: Solve for x
    x = 68,176,343,236/120,834
  6. Step 6: Final answer
    x = 564,214.90

Related Problems

Find third proportional to 60,417 and 130,553
Half scale
Find third proportional to 241,668 and 522,212
Double scale
Find third proportional to 120,836 and 261,110
Similar ratio
Find third proportional to 181,251 and 391,659
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.