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Finding the Third Proportional to 427 and 948.50

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Solution

The third proportional to 427 and 948.50 is: 2,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427 : 948.50 = 948.50 : x
  2. Step 2: Convert to fraction form
    427/948.50 = 948.50/x
  3. Step 3: Cross multiply
    427x = 948.50 × 948.50
  4. Step 4: Simplify right side
    427x = 899,652.25
  5. Step 5: Solve for x
    x = 899,652.25/427
  6. Step 6: Final answer
    x = 2,106.91

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.