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Finding the Third Proportional to 2,925.49 and 4,538.21

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Solution

The third proportional to 2,925.49 and 4,538.21 is: 7,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.49 : 4,538.21 = 4,538.21 : x
  2. Step 2: Convert to fraction form
    2,925.49/4,538.21 = 4,538.21/x
  3. Step 3: Cross multiply
    2,925.49x = 4,538.21 × 4,538.21
  4. Step 4: Simplify right side
    2,925.49x = 20,595,393.97
  5. Step 5: Solve for x
    x = 20,595,393.97/2,925.49
  6. Step 6: Final answer
    x = 7,039.98

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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.