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Finding the Third Proportional to 625,878 and 1,351,521

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Solution

The third proportional to 625,878 and 1,351,521 is: 2,918,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,878 : 1,351,521 = 1,351,521 : x
  2. Step 2: Convert to fraction form
    625,878/1,351,521 = 1,351,521/x
  3. Step 3: Cross multiply
    625,878x = 1,351,521 × 1,351,521
  4. Step 4: Simplify right side
    625,878x = 1,826,609,013,441
  5. Step 5: Solve for x
    x = 1,826,609,013,441/625,878
  6. Step 6: Final answer
    x = 2,918,474.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.