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Finding the Third Proportional to 15,106.50 and 32,481

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Solution

The third proportional to 15,106.50 and 32,481 is: 69,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.50 : 32,481 = 32,481 : x
  2. Step 2: Convert to fraction form
    15,106.50/32,481 = 32,481/x
  3. Step 3: Cross multiply
    15,106.50x = 32,481 × 32,481
  4. Step 4: Simplify right side
    15,106.50x = 1,055,015,361
  5. Step 5: Solve for x
    x = 1,055,015,361/15,106.50
  6. Step 6: Final answer
    x = 69,838.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.