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Finding the Third Proportional to 10,582 and 15,720

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Solution

The third proportional to 10,582 and 15,720 is: 23,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582 : 15,720 = 15,720 : x
  2. Step 2: Convert to fraction form
    10,582/15,720 = 15,720/x
  3. Step 3: Cross multiply
    10,582x = 15,720 × 15,720
  4. Step 4: Simplify right side
    10,582x = 247,118,400
  5. Step 5: Solve for x
    x = 247,118,400/10,582
  6. Step 6: Final answer
    x = 23,352.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.