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Finding the Third Proportional to 15,624 and 25,160.50

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Solution

The third proportional to 15,624 and 25,160.50 is: 40,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624 : 25,160.50 = 25,160.50 : x
  2. Step 2: Convert to fraction form
    15,624/25,160.50 = 25,160.50/x
  3. Step 3: Cross multiply
    15,624x = 25,160.50 × 25,160.50
  4. Step 4: Simplify right side
    15,624x = 633,050,760.25
  5. Step 5: Solve for x
    x = 633,050,760.25/15,624
  6. Step 6: Final answer
    x = 40,517.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.