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Finding the Third Proportional to 28,146.63 and 61,829.13

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Solution

The third proportional to 28,146.63 and 61,829.13 is: 135,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.63 : 61,829.13 = 61,829.13 : x
  2. Step 2: Convert to fraction form
    28,146.63/61,829.13 = 61,829.13/x
  3. Step 3: Cross multiply
    28,146.63x = 61,829.13 × 61,829.13
  4. Step 4: Simplify right side
    28,146.63x = 3,822,840,698.27
  5. Step 5: Solve for x
    x = 3,822,840,698.27/28,146.63
  6. Step 6: Final answer
    x = 135,818.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.