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Finding the Third Proportional to 15,902,272 and 34,928,584

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Solution

The third proportional to 15,902,272 and 34,928,584 is: 76,718,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902,272 : 34,928,584 = 34,928,584 : x
  2. Step 2: Convert to fraction form
    15,902,272/34,928,584 = 34,928,584/x
  3. Step 3: Cross multiply
    15,902,272x = 34,928,584 × 34,928,584
  4. Step 4: Simplify right side
    15,902,272x = 1,220,005,980,245,056
  5. Step 5: Solve for x
    x = 1,220,005,980,245,056/15,902,272
  6. Step 6: Final answer
    x = 76,718,973.25

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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.