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Finding the Third Proportional to 239,405.50 and 514,091.50

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Solution

The third proportional to 239,405.50 and 514,091.50 is: 1,103,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,405.50 : 514,091.50 = 514,091.50 : x
  2. Step 2: Convert to fraction form
    239,405.50/514,091.50 = 514,091.50/x
  3. Step 3: Cross multiply
    239,405.50x = 514,091.50 × 514,091.50
  4. Step 4: Simplify right side
    239,405.50x = 264,290,070,372.25
  5. Step 5: Solve for x
    x = 264,290,070,372.25/239,405.50
  6. Step 6: Final answer
    x = 1,103,943.19

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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.