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Finding the Third Proportional to 7,516 and 9,610

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Solution

The third proportional to 7,516 and 9,610 is: 12,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516 : 9,610 = 9,610 : x
  2. Step 2: Convert to fraction form
    7,516/9,610 = 9,610/x
  3. Step 3: Cross multiply
    7,516x = 9,610 × 9,610
  4. Step 4: Simplify right side
    7,516x = 92,352,100
  5. Step 5: Solve for x
    x = 92,352,100/7,516
  6. Step 6: Final answer
    x = 12,287.40

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.