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Finding the Third Proportional to 508,158 and 696,797

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Solution

The third proportional to 508,158 and 696,797 is: 955,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,158 : 696,797 = 696,797 : x
  2. Step 2: Convert to fraction form
    508,158/696,797 = 696,797/x
  3. Step 3: Cross multiply
    508,158x = 696,797 × 696,797
  4. Step 4: Simplify right side
    508,158x = 485,526,059,209
  5. Step 5: Solve for x
    x = 485,526,059,209/508,158
  6. Step 6: Final answer
    x = 955,462.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.