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Finding the Third Proportional to 691,286 and 1,437,754

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Solution

The third proportional to 691,286 and 1,437,754 is: 2,990,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,286 : 1,437,754 = 1,437,754 : x
  2. Step 2: Convert to fraction form
    691,286/1,437,754 = 1,437,754/x
  3. Step 3: Cross multiply
    691,286x = 1,437,754 × 1,437,754
  4. Step 4: Simplify right side
    691,286x = 2,067,136,564,516
  5. Step 5: Solve for x
    x = 2,067,136,564,516/691,286
  6. Step 6: Final answer
    x = 2,990,276.91

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.