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Finding the Third Proportional to 381,915 and 795,210.75

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Solution

The third proportional to 381,915 and 795,210.75 is: 1,655,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,915 : 795,210.75 = 795,210.75 : x
  2. Step 2: Convert to fraction form
    381,915/795,210.75 = 795,210.75/x
  3. Step 3: Cross multiply
    381,915x = 795,210.75 × 795,210.75
  4. Step 4: Simplify right side
    381,915x = 632,360,136,915.56
  5. Step 5: Solve for x
    x = 632,360,136,915.56/381,915
  6. Step 6: Final answer
    x = 1,655,761.46

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.