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Finding the Third Proportional to 81,415.13 and 174,511.13

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Solution

The third proportional to 81,415.13 and 174,511.13 is: 374,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,415.13 : 174,511.13 = 174,511.13 : x
  2. Step 2: Convert to fraction form
    81,415.13/174,511.13 = 174,511.13/x
  3. Step 3: Cross multiply
    81,415.13x = 174,511.13 × 174,511.13
  4. Step 4: Simplify right side
    81,415.13x = 30,454,132,748.77
  5. Step 5: Solve for x
    x = 30,454,132,748.77/81,415.13
  6. Step 6: Final answer
    x = 374,059.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.