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Finding the Third Proportional to 15,478.50 and 22,569

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Solution

The third proportional to 15,478.50 and 22,569 is: 32,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.50 : 22,569 = 22,569 : x
  2. Step 2: Convert to fraction form
    15,478.50/22,569 = 22,569/x
  3. Step 3: Cross multiply
    15,478.50x = 22,569 × 22,569
  4. Step 4: Simplify right side
    15,478.50x = 509,359,761
  5. Step 5: Solve for x
    x = 509,359,761/15,478.50
  6. Step 6: Final answer
    x = 32,907.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.