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Finding the Third Proportional to 3,215,448 and 4,976,559

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Solution

The third proportional to 3,215,448 and 4,976,559 is: 7,702,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,448 : 4,976,559 = 4,976,559 : x
  2. Step 2: Convert to fraction form
    3,215,448/4,976,559 = 4,976,559/x
  3. Step 3: Cross multiply
    3,215,448x = 4,976,559 × 4,976,559
  4. Step 4: Simplify right side
    3,215,448x = 24,766,139,480,481
  5. Step 5: Solve for x
    x = 24,766,139,480,481/3,215,448
  6. Step 6: Final answer
    x = 7,702,236.04

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.