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Finding the Third Proportional to 99,294 and 212,802

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Solution

The third proportional to 99,294 and 212,802 is: 456,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,294 : 212,802 = 212,802 : x
  2. Step 2: Convert to fraction form
    99,294/212,802 = 212,802/x
  3. Step 3: Cross multiply
    99,294x = 212,802 × 212,802
  4. Step 4: Simplify right side
    99,294x = 45,284,691,204
  5. Step 5: Solve for x
    x = 45,284,691,204/99,294
  6. Step 6: Final answer
    x = 456,066.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.