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Finding the Third Proportional to 199,101 and 308,282

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Solution

The third proportional to 199,101 and 308,282 is: 477,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,101 : 308,282 = 308,282 : x
  2. Step 2: Convert to fraction form
    199,101/308,282 = 308,282/x
  3. Step 3: Cross multiply
    199,101x = 308,282 × 308,282
  4. Step 4: Simplify right side
    199,101x = 95,037,791,524
  5. Step 5: Solve for x
    x = 95,037,791,524/199,101
  6. Step 6: Final answer
    x = 477,334.58

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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.