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Finding the Third Proportional to 1,974,146 and 4,286,548

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Solution

The third proportional to 1,974,146 and 4,286,548 is: 9,307,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,146 : 4,286,548 = 4,286,548 : x
  2. Step 2: Convert to fraction form
    1,974,146/4,286,548 = 4,286,548/x
  3. Step 3: Cross multiply
    1,974,146x = 4,286,548 × 4,286,548
  4. Step 4: Simplify right side
    1,974,146x = 18,374,493,756,304
  5. Step 5: Solve for x
    x = 18,374,493,756,304/1,974,146
  6. Step 6: Final answer
    x = 9,307,565.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.