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Finding the Third Proportional to 7,644 and 10,313

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Solution

The third proportional to 7,644 and 10,313 is: 13,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644 : 10,313 = 10,313 : x
  2. Step 2: Convert to fraction form
    7,644/10,313 = 10,313/x
  3. Step 3: Cross multiply
    7,644x = 10,313 × 10,313
  4. Step 4: Simplify right side
    7,644x = 106,357,969
  5. Step 5: Solve for x
    x = 106,357,969/7,644
  6. Step 6: Final answer
    x = 13,913.92

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.