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Finding the Third Proportional to 141,189.75 and 310,027.50

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Solution

The third proportional to 141,189.75 and 310,027.50 is: 680,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.75 : 310,027.50 = 310,027.50 : x
  2. Step 2: Convert to fraction form
    141,189.75/310,027.50 = 310,027.50/x
  3. Step 3: Cross multiply
    141,189.75x = 310,027.50 × 310,027.50
  4. Step 4: Simplify right side
    141,189.75x = 96,117,050,756.25
  5. Step 5: Solve for x
    x = 96,117,050,756.25/141,189.75
  6. Step 6: Final answer
    x = 680,765.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.