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Finding the Third Proportional to 28,080.75 and 61,081.13

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Solution

The third proportional to 28,080.75 and 61,081.13 is: 132,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.75 : 61,081.13 = 61,081.13 : x
  2. Step 2: Convert to fraction form
    28,080.75/61,081.13 = 61,081.13/x
  3. Step 3: Cross multiply
    28,080.75x = 61,081.13 × 61,081.13
  4. Step 4: Simplify right side
    28,080.75x = 3,730,903,831.27
  5. Step 5: Solve for x
    x = 3,730,903,831.27/28,080.75
  6. Step 6: Final answer
    x = 132,863.40

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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.