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Finding the Third Proportional to 43,291.13 and 67,672.13

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Solution

The third proportional to 43,291.13 and 67,672.13 is: 105,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.13 : 67,672.13 = 67,672.13 : x
  2. Step 2: Convert to fraction form
    43,291.13/67,672.13 = 67,672.13/x
  3. Step 3: Cross multiply
    43,291.13x = 67,672.13 × 67,672.13
  4. Step 4: Simplify right side
    43,291.13x = 4,579,516,502.02
  5. Step 5: Solve for x
    x = 4,579,516,502.02/43,291.13
  6. Step 6: Final answer
    x = 105,784.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.