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Finding the Third Proportional to 61,040.25 and 81,465.75

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Solution

The third proportional to 61,040.25 and 81,465.75 is: 108,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,040.25 : 81,465.75 = 81,465.75 : x
  2. Step 2: Convert to fraction form
    61,040.25/81,465.75 = 81,465.75/x
  3. Step 3: Cross multiply
    61,040.25x = 81,465.75 × 81,465.75
  4. Step 4: Simplify right side
    61,040.25x = 6,636,668,423.06
  5. Step 5: Solve for x
    x = 6,636,668,423.06/61,040.25
  6. Step 6: Final answer
    x = 108,726.10

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.