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Finding the Third Proportional to 625,868 and 1,351,507

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Solution

The third proportional to 625,868 and 1,351,507 is: 2,918,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,868 : 1,351,507 = 1,351,507 : x
  2. Step 2: Convert to fraction form
    625,868/1,351,507 = 1,351,507/x
  3. Step 3: Cross multiply
    625,868x = 1,351,507 × 1,351,507
  4. Step 4: Simplify right side
    625,868x = 1,826,571,171,049
  5. Step 5: Solve for x
    x = 1,826,571,171,049/625,868
  6. Step 6: Final answer
    x = 2,918,460.72

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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.