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Finding the Third Proportional to 7,958 and 10,472

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Solution

The third proportional to 7,958 and 10,472 is: 13,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958 : 10,472 = 10,472 : x
  2. Step 2: Convert to fraction form
    7,958/10,472 = 10,472/x
  3. Step 3: Cross multiply
    7,958x = 10,472 × 10,472
  4. Step 4: Simplify right side
    7,958x = 109,662,784
  5. Step 5: Solve for x
    x = 109,662,784/7,958
  6. Step 6: Final answer
    x = 13,780.19

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These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.