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Finding the Third Proportional to 15,873.75 and 34,881.13

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Solution

The third proportional to 15,873.75 and 34,881.13 is: 76,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.75 : 34,881.13 = 34,881.13 : x
  2. Step 2: Convert to fraction form
    15,873.75/34,881.13 = 34,881.13/x
  3. Step 3: Cross multiply
    15,873.75x = 34,881.13 × 34,881.13
  4. Step 4: Simplify right side
    15,873.75x = 1,216,692,881.27
  5. Step 5: Solve for x
    x = 1,216,692,881.27/15,873.75
  6. Step 6: Final answer
    x = 76,648.11

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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.