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Finding the Third Proportional to 84,565.50 and 130,027.50

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Solution

The third proportional to 84,565.50 and 130,027.50 is: 199,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,565.50 : 130,027.50 = 130,027.50 : x
  2. Step 2: Convert to fraction form
    84,565.50/130,027.50 = 130,027.50/x
  3. Step 3: Cross multiply
    84,565.50x = 130,027.50 × 130,027.50
  4. Step 4: Simplify right side
    84,565.50x = 16,907,150,756.25
  5. Step 5: Solve for x
    x = 16,907,150,756.25/84,565.50
  6. Step 6: Final answer
    x = 199,929.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.