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Finding the Third Proportional to 3,480,498 and 5,378,251

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Solution

The third proportional to 3,480,498 and 5,378,251 is: 8,310,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,498 : 5,378,251 = 5,378,251 : x
  2. Step 2: Convert to fraction form
    3,480,498/5,378,251 = 5,378,251/x
  3. Step 3: Cross multiply
    3,480,498x = 5,378,251 × 5,378,251
  4. Step 4: Simplify right side
    3,480,498x = 28,925,583,819,001
  5. Step 5: Solve for x
    x = 28,925,583,819,001/3,480,498
  6. Step 6: Final answer
    x = 8,310,760.07

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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.