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Finding the Third Proportional to 43,866,982.69 and 67,890,220.88

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Solution

The third proportional to 43,866,982.69 and 67,890,220.88 is: 105,069,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,866,982.69 : 67,890,220.88 = 67,890,220.88 : x
  2. Step 2: Convert to fraction form
    43,866,982.69/67,890,220.88 = 67,890,220.88/x
  3. Step 3: Cross multiply
    43,866,982.69x = 67,890,220.88 × 67,890,220.88
  4. Step 4: Simplify right side
    43,866,982.69x = 4,609,082,090,456,286
  5. Step 5: Solve for x
    x = 4,609,082,090,456,286/43,866,982.69
  6. Step 6: Final answer
    x = 105,069,503.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.