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Finding the Third Proportional to 627.19 and 1,696.50

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Solution

The third proportional to 627.19 and 1,696.50 is: 4,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.19 : 1,696.50 = 1,696.50 : x
  2. Step 2: Convert to fraction form
    627.19/1,696.50 = 1,696.50/x
  3. Step 3: Cross multiply
    627.19x = 1,696.50 × 1,696.50
  4. Step 4: Simplify right side
    627.19x = 2,878,112.25
  5. Step 5: Solve for x
    x = 2,878,112.25/627.19
  6. Step 6: Final answer
    x = 4,588.92

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.