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Finding the Third Proportional to 299,740.50 and 627,192

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Solution

The third proportional to 299,740.50 and 627,192 is: 1,312,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,740.50 : 627,192 = 627,192 : x
  2. Step 2: Convert to fraction form
    299,740.50/627,192 = 627,192/x
  3. Step 3: Cross multiply
    299,740.50x = 627,192 × 627,192
  4. Step 4: Simplify right side
    299,740.50x = 393,369,804,864
  5. Step 5: Solve for x
    x = 393,369,804,864/299,740.50
  6. Step 6: Final answer
    x = 1,312,367.88

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.