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Finding the Third Proportional to 58,884 and 90,972

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Solution

The third proportional to 58,884 and 90,972 is: 140,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,884 : 90,972 = 90,972 : x
  2. Step 2: Convert to fraction form
    58,884/90,972 = 90,972/x
  3. Step 3: Cross multiply
    58,884x = 90,972 × 90,972
  4. Step 4: Simplify right side
    58,884x = 8,275,904,784
  5. Step 5: Solve for x
    x = 8,275,904,784/58,884
  6. Step 6: Final answer
    x = 140,545.90

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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.