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Finding the Third Proportional to 7,966.75 and 12,657

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Solution

The third proportional to 7,966.75 and 12,657 is: 20,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.75 : 12,657 = 12,657 : x
  2. Step 2: Convert to fraction form
    7,966.75/12,657 = 12,657/x
  3. Step 3: Cross multiply
    7,966.75x = 12,657 × 12,657
  4. Step 4: Simplify right side
    7,966.75x = 160,199,649
  5. Step 5: Solve for x
    x = 160,199,649/7,966.75
  6. Step 6: Final answer
    x = 20,108.53

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.