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Finding the Third Proportional to 203,486 and 299,344

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Solution

The third proportional to 203,486 and 299,344 is: 440,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,486 : 299,344 = 299,344 : x
  2. Step 2: Convert to fraction form
    203,486/299,344 = 299,344/x
  3. Step 3: Cross multiply
    203,486x = 299,344 × 299,344
  4. Step 4: Simplify right side
    203,486x = 89,606,830,336
  5. Step 5: Solve for x
    x = 89,606,830,336/203,486
  6. Step 6: Final answer
    x = 440,358.70

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.