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Finding the Third Proportional to 34,842 and 53,127

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Solution

The third proportional to 34,842 and 53,127 is: 81,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,842 : 53,127 = 53,127 : x
  2. Step 2: Convert to fraction form
    34,842/53,127 = 53,127/x
  3. Step 3: Cross multiply
    34,842x = 53,127 × 53,127
  4. Step 4: Simplify right side
    34,842x = 2,822,478,129
  5. Step 5: Solve for x
    x = 2,822,478,129/34,842
  6. Step 6: Final answer
    x = 81,007.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.