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Finding the Third Proportional to 465.75 and 988.88

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Solution

The third proportional to 465.75 and 988.88 is: 2,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.75 : 988.88 = 988.88 : x
  2. Step 2: Convert to fraction form
    465.75/988.88 = 988.88/x
  3. Step 3: Cross multiply
    465.75x = 988.88 × 988.88
  4. Step 4: Simplify right side
    465.75x = 977,873.77
  5. Step 5: Solve for x
    x = 977,873.77/465.75
  6. Step 6: Final answer
    x = 2,099.57

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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.