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Finding the Third Proportional to 117,686.25 and 251,532

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Solution

The third proportional to 117,686.25 and 251,532 is: 537,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.25 : 251,532 = 251,532 : x
  2. Step 2: Convert to fraction form
    117,686.25/251,532 = 251,532/x
  3. Step 3: Cross multiply
    117,686.25x = 251,532 × 251,532
  4. Step 4: Simplify right side
    117,686.25x = 63,268,347,024
  5. Step 5: Solve for x
    x = 63,268,347,024/117,686.25
  6. Step 6: Final answer
    x = 537,601.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.