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Finding the Third Proportional to 28,305,720 and 61,911,084

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Solution

The third proportional to 28,305,720 and 61,911,084 is: 135,413,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305,720 : 61,911,084 = 61,911,084 : x
  2. Step 2: Convert to fraction form
    28,305,720/61,911,084 = 61,911,084/x
  3. Step 3: Cross multiply
    28,305,720x = 61,911,084 × 61,911,084
  4. Step 4: Simplify right side
    28,305,720x = 3,832,982,322,055,056
  5. Step 5: Solve for x
    x = 3,832,982,322,055,056/28,305,720
  6. Step 6: Final answer
    x = 135,413,701.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.