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Finding the Third Proportional to 1,966.50 and 2,753.16

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Solution

The third proportional to 1,966.50 and 2,753.16 is: 3,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.50 : 2,753.16 = 2,753.16 : x
  2. Step 2: Convert to fraction form
    1,966.50/2,753.16 = 2,753.16/x
  3. Step 3: Cross multiply
    1,966.50x = 2,753.16 × 2,753.16
  4. Step 4: Simplify right side
    1,966.50x = 7,579,869.34
  5. Step 5: Solve for x
    x = 7,579,869.34/1,966.50
  6. Step 6: Final answer
    x = 3,854.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.