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Finding the Third Proportional to 2,970.75 and 4,599.38

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Solution

The third proportional to 2,970.75 and 4,599.38 is: 7,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.75 : 4,599.38 = 4,599.38 : x
  2. Step 2: Convert to fraction form
    2,970.75/4,599.38 = 4,599.38/x
  3. Step 3: Cross multiply
    2,970.75x = 4,599.38 × 4,599.38
  4. Step 4: Simplify right side
    2,970.75x = 21,154,250.39
  5. Step 5: Solve for x
    x = 21,154,250.39/2,970.75
  6. Step 6: Final answer
    x = 7,120.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.