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Finding the Third Proportional to 6,864.75 and 10,607.63

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Solution

The third proportional to 6,864.75 and 10,607.63 is: 16,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.75 : 10,607.63 = 10,607.63 : x
  2. Step 2: Convert to fraction form
    6,864.75/10,607.63 = 10,607.63/x
  3. Step 3: Cross multiply
    6,864.75x = 10,607.63 × 10,607.63
  4. Step 4: Simplify right side
    6,864.75x = 112,521,708.14
  5. Step 5: Solve for x
    x = 112,521,708.14/6,864.75
  6. Step 6: Final answer
    x = 16,391.23

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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.