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Finding the Third Proportional to 15,574.50 and 27,132.75

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Solution

The third proportional to 15,574.50 and 27,132.75 is: 47,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.50 : 27,132.75 = 27,132.75 : x
  2. Step 2: Convert to fraction form
    15,574.50/27,132.75 = 27,132.75/x
  3. Step 3: Cross multiply
    15,574.50x = 27,132.75 × 27,132.75
  4. Step 4: Simplify right side
    15,574.50x = 736,186,122.56
  5. Step 5: Solve for x
    x = 736,186,122.56/15,574.50
  6. Step 6: Final answer
    x = 47,268.68

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.