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Finding the Third Proportional to 813,813.75 and 1,767,733.88

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Solution

The third proportional to 813,813.75 and 1,767,733.88 is: 3,839,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,813.75 : 1,767,733.88 = 1,767,733.88 : x
  2. Step 2: Convert to fraction form
    813,813.75/1,767,733.88 = 1,767,733.88/x
  3. Step 3: Cross multiply
    813,813.75x = 1,767,733.88 × 1,767,733.88
  4. Step 4: Simplify right side
    813,813.75x = 3,124,883,052,822.52
  5. Step 5: Solve for x
    x = 3,124,883,052,822.52/813,813.75
  6. Step 6: Final answer
    x = 3,839,801.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.