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Finding the Third Proportional to 18,142,947 and 28,092,001.50

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Solution

The third proportional to 18,142,947 and 28,092,001.50 is: 43,496,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142,947 : 28,092,001.50 = 28,092,001.50 : x
  2. Step 2: Convert to fraction form
    18,142,947/28,092,001.50 = 28,092,001.50/x
  3. Step 3: Cross multiply
    18,142,947x = 28,092,001.50 × 28,092,001.50
  4. Step 4: Simplify right side
    18,142,947x = 789,160,548,276,002.25
  5. Step 5: Solve for x
    x = 789,160,548,276,002.25/18,142,947
  6. Step 6: Final answer
    x = 43,496,822.66

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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.