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Finding the Third Proportional to 87,457 and 135,050

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Solution

The third proportional to 87,457 and 135,050 is: 208,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,457 : 135,050 = 135,050 : x
  2. Step 2: Convert to fraction form
    87,457/135,050 = 135,050/x
  3. Step 3: Cross multiply
    87,457x = 135,050 × 135,050
  4. Step 4: Simplify right side
    87,457x = 18,238,502,500
  5. Step 5: Solve for x
    x = 18,238,502,500/87,457
  6. Step 6: Final answer
    x = 208,542.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.