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Finding the Third Proportional to 468.98 and 913.92

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Solution

The third proportional to 468.98 and 913.92 is: 1,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.98 : 913.92 = 913.92 : x
  2. Step 2: Convert to fraction form
    468.98/913.92 = 913.92/x
  3. Step 3: Cross multiply
    468.98x = 913.92 × 913.92
  4. Step 4: Simplify right side
    468.98x = 835,253.19
  5. Step 5: Solve for x
    x = 835,253.19/468.98
  6. Step 6: Final answer
    x = 1,780.98

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.