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Finding the Third Proportional to 158,643 and 344,934

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Solution

The third proportional to 158,643 and 344,934 is: 749,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643 : 344,934 = 344,934 : x
  2. Step 2: Convert to fraction form
    158,643/344,934 = 344,934/x
  3. Step 3: Cross multiply
    158,643x = 344,934 × 344,934
  4. Step 4: Simplify right side
    158,643x = 118,979,464,356
  5. Step 5: Solve for x
    x = 118,979,464,356/158,643
  6. Step 6: Final answer
    x = 749,982.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.