Home / 415,965-851,646

Finding the Third Proportional to 415,965 and 851,646

Calculator

Solution

The third proportional to 415,965 and 851,646 is: 1,743,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,965 : 851,646 = 851,646 : x
  2. Step 2: Convert to fraction form
    415,965/851,646 = 851,646/x
  3. Step 3: Cross multiply
    415,965x = 851,646 × 851,646
  4. Step 4: Simplify right side
    415,965x = 725,300,909,316
  5. Step 5: Solve for x
    x = 725,300,909,316/415,965
  6. Step 6: Final answer
    x = 1,743,658.50

Related Problems

Find third proportional to 207,982.50 and 425,823
Half scale
Find third proportional to 831,930 and 1,703,292
Double scale
Find third proportional to 415,967 and 851,650
Similar ratio
Find third proportional to 623,947.50 and 1,277,469
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.