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Finding the Third Proportional to 28,734.75 and 61,813.13

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Solution

The third proportional to 28,734.75 and 61,813.13 is: 132,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.75 : 61,813.13 = 61,813.13 : x
  2. Step 2: Convert to fraction form
    28,734.75/61,813.13 = 61,813.13/x
  3. Step 3: Cross multiply
    28,734.75x = 61,813.13 × 61,813.13
  4. Step 4: Simplify right side
    28,734.75x = 3,820,862,422.27
  5. Step 5: Solve for x
    x = 3,820,862,422.27/28,734.75
  6. Step 6: Final answer
    x = 132,970.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.