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Finding the Third Proportional to 2,287.13 and 4,939.88

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Solution

The third proportional to 2,287.13 and 4,939.88 is: 10,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.13 : 4,939.88 = 4,939.88 : x
  2. Step 2: Convert to fraction form
    2,287.13/4,939.88 = 4,939.88/x
  3. Step 3: Cross multiply
    2,287.13x = 4,939.88 × 4,939.88
  4. Step 4: Simplify right side
    2,287.13x = 24,402,365.02
  5. Step 5: Solve for x
    x = 24,402,365.02/2,287.13
  6. Step 6: Final answer
    x = 10,669.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.