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Finding the Third Proportional to 220,791,690 and 481,687,776

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Solution

The third proportional to 220,791,690 and 481,687,776 is: 1,050,868,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,791,690 : 481,687,776 = 481,687,776 : x
  2. Step 2: Convert to fraction form
    220,791,690/481,687,776 = 481,687,776/x
  3. Step 3: Cross multiply
    220,791,690x = 481,687,776 × 481,687,776
  4. Step 4: Simplify right side
    220,791,690x = 232,023,113,547,826,176
  5. Step 5: Solve for x
    x = 232,023,113,547,826,176/220,791,690
  6. Step 6: Final answer
    x = 1,050,868,868.97

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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.