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Finding the Third Proportional to 468 and 984.38

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Solution

The third proportional to 468 and 984.38 is: 2,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468 : 984.38 = 984.38 : x
  2. Step 2: Convert to fraction form
    468/984.38 = 984.38/x
  3. Step 3: Cross multiply
    468x = 984.38 × 984.38
  4. Step 4: Simplify right side
    468x = 968,994.14
  5. Step 5: Solve for x
    x = 968,994.14/468
  6. Step 6: Final answer
    x = 2,070.50

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.