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Finding the Third Proportional to 7,112 and 14,957

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Solution

The third proportional to 7,112 and 14,957 is: 31,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112 : 14,957 = 14,957 : x
  2. Step 2: Convert to fraction form
    7,112/14,957 = 14,957/x
  3. Step 3: Cross multiply
    7,112x = 14,957 × 14,957
  4. Step 4: Simplify right side
    7,112x = 223,711,849
  5. Step 5: Solve for x
    x = 223,711,849/7,112
  6. Step 6: Final answer
    x = 31,455.55

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.