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Finding the Third Proportional to 15,572 and 24,790

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Solution

The third proportional to 15,572 and 24,790 is: 39,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572 : 24,790 = 24,790 : x
  2. Step 2: Convert to fraction form
    15,572/24,790 = 24,790/x
  3. Step 3: Cross multiply
    15,572x = 24,790 × 24,790
  4. Step 4: Simplify right side
    15,572x = 614,544,100
  5. Step 5: Solve for x
    x = 614,544,100/15,572
  6. Step 6: Final answer
    x = 39,464.69

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.