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Finding the Third Proportional to 53,708 and 112,818

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Solution

The third proportional to 53,708 and 112,818 is: 236,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708 : 112,818 = 112,818 : x
  2. Step 2: Convert to fraction form
    53,708/112,818 = 112,818/x
  3. Step 3: Cross multiply
    53,708x = 112,818 × 112,818
  4. Step 4: Simplify right side
    53,708x = 12,727,901,124
  5. Step 5: Solve for x
    x = 12,727,901,124/53,708
  6. Step 6: Final answer
    x = 236,983.34

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.