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Finding the Third Proportional to 172,068.75 and 404,835.75

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Solution

The third proportional to 172,068.75 and 404,835.75 is: 952,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,068.75 : 404,835.75 = 404,835.75 : x
  2. Step 2: Convert to fraction form
    172,068.75/404,835.75 = 404,835.75/x
  3. Step 3: Cross multiply
    172,068.75x = 404,835.75 × 404,835.75
  4. Step 4: Simplify right side
    172,068.75x = 163,891,984,478.06
  5. Step 5: Solve for x
    x = 163,891,984,478.06/172,068.75
  6. Step 6: Final answer
    x = 952,479.66

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.