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Finding the Third Proportional to 557,748 and 853,362

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Solution

The third proportional to 557,748 and 853,362 is: 1,305,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,748 : 853,362 = 853,362 : x
  2. Step 2: Convert to fraction form
    557,748/853,362 = 853,362/x
  3. Step 3: Cross multiply
    557,748x = 853,362 × 853,362
  4. Step 4: Simplify right side
    557,748x = 728,226,703,044
  5. Step 5: Solve for x
    x = 728,226,703,044/557,748
  6. Step 6: Final answer
    x = 1,305,655.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.