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Finding the Third Proportional to 3,499,574.63 and 7,278,500.53

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Solution

The third proportional to 3,499,574.63 and 7,278,500.53 is: 15,138,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,574.63 : 7,278,500.53 = 7,278,500.53 : x
  2. Step 2: Convert to fraction form
    3,499,574.63/7,278,500.53 = 7,278,500.53/x
  3. Step 3: Cross multiply
    3,499,574.63x = 7,278,500.53 × 7,278,500.53
  4. Step 4: Simplify right side
    3,499,574.63x = 52,976,569,983,406.53
  5. Step 5: Solve for x
    x = 52,976,569,983,406.53/3,499,574.63
  6. Step 6: Final answer
    x = 15,138,002.66

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.