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Finding the Third Proportional to 556,528 and 745,560

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Solution

The third proportional to 556,528 and 745,560 is: 998,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,528 : 745,560 = 745,560 : x
  2. Step 2: Convert to fraction form
    556,528/745,560 = 745,560/x
  3. Step 3: Cross multiply
    556,528x = 745,560 × 745,560
  4. Step 4: Simplify right side
    556,528x = 555,859,713,600
  5. Step 5: Solve for x
    x = 555,859,713,600/556,528
  6. Step 6: Final answer
    x = 998,799.19

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.