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Finding the Third Proportional to 67,402.13 and 100,455.19

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Solution

The third proportional to 67,402.13 and 100,455.19 is: 149,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,402.13 : 100,455.19 = 100,455.19 : x
  2. Step 2: Convert to fraction form
    67,402.13/100,455.19 = 100,455.19/x
  3. Step 3: Cross multiply
    67,402.13x = 100,455.19 × 100,455.19
  4. Step 4: Simplify right side
    67,402.13x = 10,091,244,695.66
  5. Step 5: Solve for x
    x = 10,091,244,695.66/67,402.13
  6. Step 6: Final answer
    x = 149,717.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.