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Finding the Third Proportional to 56,988 and 86,850

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Solution

The third proportional to 56,988 and 86,850 is: 132,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,988 : 86,850 = 86,850 : x
  2. Step 2: Convert to fraction form
    56,988/86,850 = 86,850/x
  3. Step 3: Cross multiply
    56,988x = 86,850 × 86,850
  4. Step 4: Simplify right side
    56,988x = 7,542,922,500
  5. Step 5: Solve for x
    x = 7,542,922,500/56,988
  6. Step 6: Final answer
    x = 132,359.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.