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Finding the Third Proportional to 785,512.50 and 1,691,310

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Solution

The third proportional to 785,512.50 and 1,691,310 is: 3,641,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,512.50 : 1,691,310 = 1,691,310 : x
  2. Step 2: Convert to fraction form
    785,512.50/1,691,310 = 1,691,310/x
  3. Step 3: Cross multiply
    785,512.50x = 1,691,310 × 1,691,310
  4. Step 4: Simplify right side
    785,512.50x = 2,860,529,516,100
  5. Step 5: Solve for x
    x = 2,860,529,516,100/785,512.50
  6. Step 6: Final answer
    x = 3,641,609.16

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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.