Home / 636,270-1,372,170

Finding the Third Proportional to 636,270 and 1,372,170

Calculator

Solution

The third proportional to 636,270 and 1,372,170 is: 2,959,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,270 : 1,372,170 = 1,372,170 : x
  2. Step 2: Convert to fraction form
    636,270/1,372,170 = 1,372,170/x
  3. Step 3: Cross multiply
    636,270x = 1,372,170 × 1,372,170
  4. Step 4: Simplify right side
    636,270x = 1,882,850,508,900
  5. Step 5: Solve for x
    x = 1,882,850,508,900/636,270
  6. Step 6: Final answer
    x = 2,959,200.51

Related Problems

Find third proportional to 318,135 and 686,085
Half scale
Find third proportional to 1,272,540 and 2,744,340
Double scale
Find third proportional to 636,272 and 1,372,174
Similar ratio
Find third proportional to 954,405 and 2,058,255
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.