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Finding the Third Proportional to 186,598.50 and 280,833.75

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Solution

The third proportional to 186,598.50 and 280,833.75 is: 422,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,598.50 : 280,833.75 = 280,833.75 : x
  2. Step 2: Convert to fraction form
    186,598.50/280,833.75 = 280,833.75/x
  3. Step 3: Cross multiply
    186,598.50x = 280,833.75 × 280,833.75
  4. Step 4: Simplify right side
    186,598.50x = 78,867,595,139.06
  5. Step 5: Solve for x
    x = 78,867,595,139.06/186,598.50
  6. Step 6: Final answer
    x = 422,659.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.