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Finding the Third Proportional to 4,191,922.13 and 8,538,000.75

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Solution

The third proportional to 4,191,922.13 and 8,538,000.75 is: 17,389,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,922.13 : 8,538,000.75 = 8,538,000.75 : x
  2. Step 2: Convert to fraction form
    4,191,922.13/8,538,000.75 = 8,538,000.75/x
  3. Step 3: Cross multiply
    4,191,922.13x = 8,538,000.75 × 8,538,000.75
  4. Step 4: Simplify right side
    4,191,922.13x = 72,897,456,807,000.56
  5. Step 5: Solve for x
    x = 72,897,456,807,000.56/4,191,922.13
  6. Step 6: Final answer
    x = 17,389,983.55

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.