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Finding the Third Proportional to 127,913.75 and 271,412.50

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Solution

The third proportional to 127,913.75 and 271,412.50 is: 575,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,913.75 : 271,412.50 = 271,412.50 : x
  2. Step 2: Convert to fraction form
    127,913.75/271,412.50 = 271,412.50/x
  3. Step 3: Cross multiply
    127,913.75x = 271,412.50 × 271,412.50
  4. Step 4: Simplify right side
    127,913.75x = 73,664,745,156.25
  5. Step 5: Solve for x
    x = 73,664,745,156.25/127,913.75
  6. Step 6: Final answer
    x = 575,893.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.