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Finding the Third Proportional to 71,654.63 and 154,988.44

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Solution

The third proportional to 71,654.63 and 154,988.44 is: 335,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,654.63 : 154,988.44 = 154,988.44 : x
  2. Step 2: Convert to fraction form
    71,654.63/154,988.44 = 154,988.44/x
  3. Step 3: Cross multiply
    71,654.63x = 154,988.44 × 154,988.44
  4. Step 4: Simplify right side
    71,654.63x = 24,021,415,758.69
  5. Step 5: Solve for x
    x = 24,021,415,758.69/71,654.63
  6. Step 6: Final answer
    x = 335,238.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.