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Finding the Third Proportional to 420,632 and 600,924

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Solution

The third proportional to 420,632 and 600,924 is: 858,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,632 : 600,924 = 600,924 : x
  2. Step 2: Convert to fraction form
    420,632/600,924 = 600,924/x
  3. Step 3: Cross multiply
    420,632x = 600,924 × 600,924
  4. Step 4: Simplify right side
    420,632x = 361,109,653,776
  5. Step 5: Solve for x
    x = 361,109,653,776/420,632
  6. Step 6: Final answer
    x = 858,493.06

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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.