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Finding the Third Proportional to 53,708 and 117,784

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Solution

The third proportional to 53,708 and 117,784 is: 258,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708 : 117,784 = 117,784 : x
  2. Step 2: Convert to fraction form
    53,708/117,784 = 117,784/x
  3. Step 3: Cross multiply
    53,708x = 117,784 × 117,784
  4. Step 4: Simplify right side
    53,708x = 13,873,070,656
  5. Step 5: Solve for x
    x = 13,873,070,656/53,708
  6. Step 6: Final answer
    x = 258,305.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.