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Finding the Third Proportional to 191,344 and 418,942

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Solution

The third proportional to 191,344 and 418,942 is: 917,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,344 : 418,942 = 418,942 : x
  2. Step 2: Convert to fraction form
    191,344/418,942 = 418,942/x
  3. Step 3: Cross multiply
    191,344x = 418,942 × 418,942
  4. Step 4: Simplify right side
    191,344x = 175,512,399,364
  5. Step 5: Solve for x
    x = 175,512,399,364/191,344
  6. Step 6: Final answer
    x = 917,261.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.