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Finding the Third Proportional to 26,438.91 and 58,109.91

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Solution

The third proportional to 26,438.91 and 58,109.91 is: 127,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.91 : 58,109.91 = 58,109.91 : x
  2. Step 2: Convert to fraction form
    26,438.91/58,109.91 = 58,109.91/x
  3. Step 3: Cross multiply
    26,438.91x = 58,109.91 × 58,109.91
  4. Step 4: Simplify right side
    26,438.91x = 3,376,761,204.38
  5. Step 5: Solve for x
    x = 3,376,761,204.38/26,438.91
  6. Step 6: Final answer
    x = 127,719.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.