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Finding the Third Proportional to 691,652 and 1,058,466

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Solution

The third proportional to 691,652 and 1,058,466 is: 1,619,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,652 : 1,058,466 = 1,058,466 : x
  2. Step 2: Convert to fraction form
    691,652/1,058,466 = 1,058,466/x
  3. Step 3: Cross multiply
    691,652x = 1,058,466 × 1,058,466
  4. Step 4: Simplify right side
    691,652x = 1,120,350,273,156
  5. Step 5: Solve for x
    x = 1,120,350,273,156/691,652
  6. Step 6: Final answer
    x = 1,619,817.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.