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Finding the Third Proportional to 127,147.50 and 186,779.25

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Solution

The third proportional to 127,147.50 and 186,779.25 is: 274,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,147.50 : 186,779.25 = 186,779.25 : x
  2. Step 2: Convert to fraction form
    127,147.50/186,779.25 = 186,779.25/x
  3. Step 3: Cross multiply
    127,147.50x = 186,779.25 × 186,779.25
  4. Step 4: Simplify right side
    127,147.50x = 34,886,488,230.56
  5. Step 5: Solve for x
    x = 34,886,488,230.56/127,147.50
  6. Step 6: Final answer
    x = 274,378.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.