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Finding the Third Proportional to 667,289 and 1,574,557

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Solution

The third proportional to 667,289 and 1,574,557 is: 3,715,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,289 : 1,574,557 = 1,574,557 : x
  2. Step 2: Convert to fraction form
    667,289/1,574,557 = 1,574,557/x
  3. Step 3: Cross multiply
    667,289x = 1,574,557 × 1,574,557
  4. Step 4: Simplify right side
    667,289x = 2,479,229,746,249
  5. Step 5: Solve for x
    x = 2,479,229,746,249/667,289
  6. Step 6: Final answer
    x = 3,715,376.32

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.