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Finding the Third Proportional to 9,582 and 15,615

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Solution

The third proportional to 9,582 and 15,615 is: 25,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,582 : 15,615 = 15,615 : x
  2. Step 2: Convert to fraction form
    9,582/15,615 = 15,615/x
  3. Step 3: Cross multiply
    9,582x = 15,615 × 15,615
  4. Step 4: Simplify right side
    9,582x = 243,828,225
  5. Step 5: Solve for x
    x = 243,828,225/9,582
  6. Step 6: Final answer
    x = 25,446.49

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.