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Finding the Third Proportional to 3,752.50 and 8,146

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Solution

The third proportional to 3,752.50 and 8,146 is: 17,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.50 : 8,146 = 8,146 : x
  2. Step 2: Convert to fraction form
    3,752.50/8,146 = 8,146/x
  3. Step 3: Cross multiply
    3,752.50x = 8,146 × 8,146
  4. Step 4: Simplify right side
    3,752.50x = 66,357,316
  5. Step 5: Solve for x
    x = 66,357,316/3,752.50
  6. Step 6: Final answer
    x = 17,683.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.