Home / 287,460-604,716

Finding the Third Proportional to 287,460 and 604,716

Calculator

Solution

The third proportional to 287,460 and 604,716 is: 1,272,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,460 : 604,716 = 604,716 : x
  2. Step 2: Convert to fraction form
    287,460/604,716 = 604,716/x
  3. Step 3: Cross multiply
    287,460x = 604,716 × 604,716
  4. Step 4: Simplify right side
    287,460x = 365,681,440,656
  5. Step 5: Solve for x
    x = 365,681,440,656/287,460
  6. Step 6: Final answer
    x = 1,272,112.44

Related Problems

Find third proportional to 143,730 and 302,358
Half scale
Find third proportional to 574,920 and 1,209,432
Double scale
Find third proportional to 287,462 and 604,720
Similar ratio
Find third proportional to 431,190 and 907,074
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.