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Finding the Third Proportional to 909.56 and 1,925.44

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Solution

The third proportional to 909.56 and 1,925.44 is: 4,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    909.56 : 1,925.44 = 1,925.44 : x
  2. Step 2: Convert to fraction form
    909.56/1,925.44 = 1,925.44/x
  3. Step 3: Cross multiply
    909.56x = 1,925.44 × 1,925.44
  4. Step 4: Simplify right side
    909.56x = 3,707,309.57
  5. Step 5: Solve for x
    x = 3,707,309.57/909.56
  6. Step 6: Final answer
    x = 4,075.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.