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Finding the Third Proportional to 28,663.88 and 61,251.19

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Solution

The third proportional to 28,663.88 and 61,251.19 is: 130,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.88 : 61,251.19 = 61,251.19 : x
  2. Step 2: Convert to fraction form
    28,663.88/61,251.19 = 61,251.19/x
  3. Step 3: Cross multiply
    28,663.88x = 61,251.19 × 61,251.19
  4. Step 4: Simplify right side
    28,663.88x = 3,751,707,970.16
  5. Step 5: Solve for x
    x = 3,751,707,970.16/28,663.88
  6. Step 6: Final answer
    x = 130,886.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.