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Finding the Third Proportional to 628,792.88 and 1,363,921.88

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Solution

The third proportional to 628,792.88 and 1,363,921.88 is: 2,958,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,792.88 : 1,363,921.88 = 1,363,921.88 : x
  2. Step 2: Convert to fraction form
    628,792.88/1,363,921.88 = 1,363,921.88/x
  3. Step 3: Cross multiply
    628,792.88x = 1,363,921.88 × 1,363,921.88
  4. Step 4: Simplify right side
    628,792.88x = 1,860,282,881,103.52
  5. Step 5: Solve for x
    x = 1,860,282,881,103.52/628,792.88
  6. Step 6: Final answer
    x = 2,958,498.66

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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.