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Finding the Third Proportional to 3,951,565,644 and 8,591,852,580

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Solution

The third proportional to 3,951,565,644 and 8,591,852,580 is: 18,681,185,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951,565,644 : 8,591,852,580 = 8,591,852,580 : x
  2. Step 2: Convert to fraction form
    3,951,565,644/8,591,852,580 = 8,591,852,580/x
  3. Step 3: Cross multiply
    3,951,565,644x = 8,591,852,580 × 8,591,852,580
  4. Step 4: Simplify right side
    3,951,565,644x = 73,819,930,756,452,663,296
  5. Step 5: Solve for x
    x = 73,819,930,756,452,663,296/3,951,565,644
  6. Step 6: Final answer
    x = 18,681,185,486.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.