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Finding the Third Proportional to 408,846,597.19 and 891,690,125.91

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Solution

The third proportional to 408,846,597.19 and 891,690,125.91 is: 1,944,766,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,846,597.19 : 891,690,125.91 = 891,690,125.91 : x
  2. Step 2: Convert to fraction form
    408,846,597.19/891,690,125.91 = 891,690,125.91/x
  3. Step 3: Cross multiply
    408,846,597.19x = 891,690,125.91 × 891,690,125.91
  4. Step 4: Simplify right side
    408,846,597.19x = 795,111,280,638,704,000
  5. Step 5: Solve for x
    x = 795,111,280,638,704,000/408,846,597.19
  6. Step 6: Final answer
    x = 1,944,766,780.76

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.