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Finding the Third Proportional to 4,985.93 and 10,876.78

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Solution

The third proportional to 4,985.93 and 10,876.78 is: 23,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.93 : 10,876.78 = 10,876.78 : x
  2. Step 2: Convert to fraction form
    4,985.93/10,876.78 = 10,876.78/x
  3. Step 3: Cross multiply
    4,985.93x = 10,876.78 × 10,876.78
  4. Step 4: Simplify right side
    4,985.93x = 118,304,370.36
  5. Step 5: Solve for x
    x = 118,304,370.36/4,985.93
  6. Step 6: Final answer
    x = 23,727.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.