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Finding the Third Proportional to 508,139 and 748,183

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Solution

The third proportional to 508,139 and 748,183 is: 1,101,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,139 : 748,183 = 748,183 : x
  2. Step 2: Convert to fraction form
    508,139/748,183 = 748,183/x
  3. Step 3: Cross multiply
    508,139x = 748,183 × 748,183
  4. Step 4: Simplify right side
    508,139x = 559,777,801,489
  5. Step 5: Solve for x
    x = 559,777,801,489/508,139
  6. Step 6: Final answer
    x = 1,101,623.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.