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Finding the Third Proportional to 135,932.63 and 207,478.13

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Solution

The third proportional to 135,932.63 and 207,478.13 is: 316,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.63 : 207,478.13 = 207,478.13 : x
  2. Step 2: Convert to fraction form
    135,932.63/207,478.13 = 207,478.13/x
  3. Step 3: Cross multiply
    135,932.63x = 207,478.13 × 207,478.13
  4. Step 4: Simplify right side
    135,932.63x = 43,047,172,353.52
  5. Step 5: Solve for x
    x = 43,047,172,353.52/135,932.63
  6. Step 6: Final answer
    x = 316,680.21

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.