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Finding the Third Proportional to 116,280.75 and 250,309.50

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Solution

The third proportional to 116,280.75 and 250,309.50 is: 538,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,280.75 : 250,309.50 = 250,309.50 : x
  2. Step 2: Convert to fraction form
    116,280.75/250,309.50 = 250,309.50/x
  3. Step 3: Cross multiply
    116,280.75x = 250,309.50 × 250,309.50
  4. Step 4: Simplify right side
    116,280.75x = 62,654,845,790.25
  5. Step 5: Solve for x
    x = 62,654,845,790.25/116,280.75
  6. Step 6: Final answer
    x = 538,823.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.