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Finding the Third Proportional to 153,458 and 244,287

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Solution

The third proportional to 153,458 and 244,287 is: 388,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,458 : 244,287 = 244,287 : x
  2. Step 2: Convert to fraction form
    153,458/244,287 = 244,287/x
  3. Step 3: Cross multiply
    153,458x = 244,287 × 244,287
  4. Step 4: Simplify right side
    153,458x = 59,676,138,369
  5. Step 5: Solve for x
    x = 59,676,138,369/153,458
  6. Step 6: Final answer
    x = 388,876.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.