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Finding the Third Proportional to 3,070.50 and 4,629

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Solution

The third proportional to 3,070.50 and 4,629 is: 6,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.50 : 4,629 = 4,629 : x
  2. Step 2: Convert to fraction form
    3,070.50/4,629 = 4,629/x
  3. Step 3: Cross multiply
    3,070.50x = 4,629 × 4,629
  4. Step 4: Simplify right side
    3,070.50x = 21,427,641
  5. Step 5: Solve for x
    x = 21,427,641/3,070.50
  6. Step 6: Final answer
    x = 6,978.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.