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Finding the Third Proportional to 54,687 and 85,674

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Solution

The third proportional to 54,687 and 85,674 is: 134,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687 : 85,674 = 85,674 : x
  2. Step 2: Convert to fraction form
    54,687/85,674 = 85,674/x
  3. Step 3: Cross multiply
    54,687x = 85,674 × 85,674
  4. Step 4: Simplify right side
    54,687x = 7,340,034,276
  5. Step 5: Solve for x
    x = 7,340,034,276/54,687
  6. Step 6: Final answer
    x = 134,219.00

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.