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Finding the Third Proportional to 437,679 and 625,873

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Solution

The third proportional to 437,679 and 625,873 is: 894,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,679 : 625,873 = 625,873 : x
  2. Step 2: Convert to fraction form
    437,679/625,873 = 625,873/x
  3. Step 3: Cross multiply
    437,679x = 625,873 × 625,873
  4. Step 4: Simplify right side
    437,679x = 391,717,012,129
  5. Step 5: Solve for x
    x = 391,717,012,129/437,679
  6. Step 6: Final answer
    x = 894,986.99

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.