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Finding the Third Proportional to 28,692,870 and 61,479,150

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Solution

The third proportional to 28,692,870 and 61,479,150 is: 131,729,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692,870 : 61,479,150 = 61,479,150 : x
  2. Step 2: Convert to fraction form
    28,692,870/61,479,150 = 61,479,150/x
  3. Step 3: Cross multiply
    28,692,870x = 61,479,150 × 61,479,150
  4. Step 4: Simplify right side
    28,692,870x = 3,779,685,884,722,500
  5. Step 5: Solve for x
    x = 3,779,685,884,722,500/28,692,870
  6. Step 6: Final answer
    x = 131,729,098.02

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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.