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Finding the Third Proportional to 476,607 and 992,418

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Solution

The third proportional to 476,607 and 992,418 is: 2,066,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,607 : 992,418 = 992,418 : x
  2. Step 2: Convert to fraction form
    476,607/992,418 = 992,418/x
  3. Step 3: Cross multiply
    476,607x = 992,418 × 992,418
  4. Step 4: Simplify right side
    476,607x = 984,893,486,724
  5. Step 5: Solve for x
    x = 984,893,486,724/476,607
  6. Step 6: Final answer
    x = 2,066,468.78

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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.