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Finding the Third Proportional to 53,742 and 117,042

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Solution

The third proportional to 53,742 and 117,042 is: 254,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742 : 117,042 = 117,042 : x
  2. Step 2: Convert to fraction form
    53,742/117,042 = 117,042/x
  3. Step 3: Cross multiply
    53,742x = 117,042 × 117,042
  4. Step 4: Simplify right side
    53,742x = 13,698,829,764
  5. Step 5: Solve for x
    x = 13,698,829,764/53,742
  6. Step 6: Final answer
    x = 254,899.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.