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Finding the Third Proportional to 53,878.50 and 125,853

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Solution

The third proportional to 53,878.50 and 125,853 is: 293,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.50 : 125,853 = 125,853 : x
  2. Step 2: Convert to fraction form
    53,878.50/125,853 = 125,853/x
  3. Step 3: Cross multiply
    53,878.50x = 125,853 × 125,853
  4. Step 4: Simplify right side
    53,878.50x = 15,838,977,609
  5. Step 5: Solve for x
    x = 15,838,977,609/53,878.50
  6. Step 6: Final answer
    x = 293,975.85

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.