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Finding the Third Proportional to 118,515.38 and 258,333.75

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Solution

The third proportional to 118,515.38 and 258,333.75 is: 563,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,515.38 : 258,333.75 = 258,333.75 : x
  2. Step 2: Convert to fraction form
    118,515.38/258,333.75 = 258,333.75/x
  3. Step 3: Cross multiply
    118,515.38x = 258,333.75 × 258,333.75
  4. Step 4: Simplify right side
    118,515.38x = 66,736,326,389.06
  5. Step 5: Solve for x
    x = 66,736,326,389.06/118,515.38
  6. Step 6: Final answer
    x = 563,102.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.