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Finding the Third Proportional to 51,281 and 110,763.50

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Solution

The third proportional to 51,281 and 110,763.50 is: 239,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281 : 110,763.50 = 110,763.50 : x
  2. Step 2: Convert to fraction form
    51,281/110,763.50 = 110,763.50/x
  3. Step 3: Cross multiply
    51,281x = 110,763.50 × 110,763.50
  4. Step 4: Simplify right side
    51,281x = 12,268,552,932.25
  5. Step 5: Solve for x
    x = 12,268,552,932.25/51,281
  6. Step 6: Final answer
    x = 239,241.69

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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.