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Finding the Third Proportional to 28,406,138 and 62,126,200

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Solution

The third proportional to 28,406,138 and 62,126,200 is: 135,874,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,138 : 62,126,200 = 62,126,200 : x
  2. Step 2: Convert to fraction form
    28,406,138/62,126,200 = 62,126,200/x
  3. Step 3: Cross multiply
    28,406,138x = 62,126,200 × 62,126,200
  4. Step 4: Simplify right side
    28,406,138x = 3,859,664,726,440,000
  5. Step 5: Solve for x
    x = 3,859,664,726,440,000/28,406,138
  6. Step 6: Final answer
    x = 135,874,321.47

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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.