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Finding the Third Proportional to 53,291.50 and 115,121.75

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Solution

The third proportional to 53,291.50 and 115,121.75 is: 248,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.50 : 115,121.75 = 115,121.75 : x
  2. Step 2: Convert to fraction form
    53,291.50/115,121.75 = 115,121.75/x
  3. Step 3: Cross multiply
    53,291.50x = 115,121.75 × 115,121.75
  4. Step 4: Simplify right side
    53,291.50x = 13,253,017,323.06
  5. Step 5: Solve for x
    x = 13,253,017,323.06/53,291.50
  6. Step 6: Final answer
    x = 248,689.14

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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.