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Finding the Third Proportional to 6,417.56 and 9,957.94

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Solution

The third proportional to 6,417.56 and 9,957.94 is: 15,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.56 : 9,957.94 = 9,957.94 : x
  2. Step 2: Convert to fraction form
    6,417.56/9,957.94 = 9,957.94/x
  3. Step 3: Cross multiply
    6,417.56x = 9,957.94 × 9,957.94
  4. Step 4: Simplify right side
    6,417.56x = 99,160,519.25
  5. Step 5: Solve for x
    x = 99,160,519.25/6,417.56
  6. Step 6: Final answer
    x = 15,451.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.