Home / 306,834-634,972

Finding the Third Proportional to 306,834 and 634,972

Calculator

Solution

The third proportional to 306,834 and 634,972 is: 1,314,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,834 : 634,972 = 634,972 : x
  2. Step 2: Convert to fraction form
    306,834/634,972 = 634,972/x
  3. Step 3: Cross multiply
    306,834x = 634,972 × 634,972
  4. Step 4: Simplify right side
    306,834x = 403,189,440,784
  5. Step 5: Solve for x
    x = 403,189,440,784/306,834
  6. Step 6: Final answer
    x = 1,314,031.17

Related Problems

Find third proportional to 153,417 and 317,486
Half scale
Find third proportional to 613,668 and 1,269,944
Double scale
Find third proportional to 306,836 and 634,976
Similar ratio
Find third proportional to 460,251 and 952,458
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.