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Finding the Third Proportional to 437,670 and 625,860

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Solution

The third proportional to 437,670 and 625,860 is: 894,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,670 : 625,860 = 625,860 : x
  2. Step 2: Convert to fraction form
    437,670/625,860 = 625,860/x
  3. Step 3: Cross multiply
    437,670x = 625,860 × 625,860
  4. Step 4: Simplify right side
    437,670x = 391,700,739,600
  5. Step 5: Solve for x
    x = 391,700,739,600/437,670
  6. Step 6: Final answer
    x = 894,968.22

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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.