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Finding the Third Proportional to 298,982 and 463,418

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Solution

The third proportional to 298,982 and 463,418 is: 718,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,982 : 463,418 = 463,418 : x
  2. Step 2: Convert to fraction form
    298,982/463,418 = 463,418/x
  3. Step 3: Cross multiply
    298,982x = 463,418 × 463,418
  4. Step 4: Simplify right side
    298,982x = 214,756,242,724
  5. Step 5: Solve for x
    x = 214,756,242,724/298,982
  6. Step 6: Final answer
    x = 718,291.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.