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Finding the Third Proportional to 58,878 and 127,143

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Solution

The third proportional to 58,878 and 127,143 is: 274,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878 : 127,143 = 127,143 : x
  2. Step 2: Convert to fraction form
    58,878/127,143 = 127,143/x
  3. Step 3: Cross multiply
    58,878x = 127,143 × 127,143
  4. Step 4: Simplify right side
    58,878x = 16,165,342,449
  5. Step 5: Solve for x
    x = 16,165,342,449/58,878
  6. Step 6: Final answer
    x = 274,556.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.