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Finding the Third Proportional to 118,239.75 and 259,473.38

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Solution

The third proportional to 118,239.75 and 259,473.38 is: 569,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.75 : 259,473.38 = 259,473.38 : x
  2. Step 2: Convert to fraction form
    118,239.75/259,473.38 = 259,473.38/x
  3. Step 3: Cross multiply
    118,239.75x = 259,473.38 × 259,473.38
  4. Step 4: Simplify right side
    118,239.75x = 67,326,432,333.89
  5. Step 5: Solve for x
    x = 67,326,432,333.89/118,239.75
  6. Step 6: Final answer
    x = 569,406.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.