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Finding the Third Proportional to 283,200.75 and 615,705.75

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Solution

The third proportional to 283,200.75 and 615,705.75 is: 1,338,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,200.75 : 615,705.75 = 615,705.75 : x
  2. Step 2: Convert to fraction form
    283,200.75/615,705.75 = 615,705.75/x
  3. Step 3: Cross multiply
    283,200.75x = 615,705.75 × 615,705.75
  4. Step 4: Simplify right side
    283,200.75x = 379,093,570,583.06
  5. Step 5: Solve for x
    x = 379,093,570,583.06/283,200.75
  6. Step 6: Final answer
    x = 1,338,603.70

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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.