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Finding the Third Proportional to 1,781,007.75 and 4,199,951.25

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Solution

The third proportional to 1,781,007.75 and 4,199,951.25 is: 9,904,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,007.75 : 4,199,951.25 = 4,199,951.25 : x
  2. Step 2: Convert to fraction form
    1,781,007.75/4,199,951.25 = 4,199,951.25/x
  3. Step 3: Cross multiply
    1,781,007.75x = 4,199,951.25 × 4,199,951.25
  4. Step 4: Simplify right side
    1,781,007.75x = 17,639,590,502,376.56
  5. Step 5: Solve for x
    x = 17,639,590,502,376.56/1,781,007.75
  6. Step 6: Final answer
    x = 9,904,274.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.