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Finding the Third Proportional to 56,166 and 87,705

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Solution

The third proportional to 56,166 and 87,705 is: 136,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166 : 87,705 = 87,705 : x
  2. Step 2: Convert to fraction form
    56,166/87,705 = 87,705/x
  3. Step 3: Cross multiply
    56,166x = 87,705 × 87,705
  4. Step 4: Simplify right side
    56,166x = 7,692,167,025
  5. Step 5: Solve for x
    x = 7,692,167,025/56,166
  6. Step 6: Final answer
    x = 136,954.15

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.