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Finding the Third Proportional to 28,612 and 62,148

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Solution

The third proportional to 28,612 and 62,148 is: 134,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612 : 62,148 = 62,148 : x
  2. Step 2: Convert to fraction form
    28,612/62,148 = 62,148/x
  3. Step 3: Cross multiply
    28,612x = 62,148 × 62,148
  4. Step 4: Simplify right side
    28,612x = 3,862,373,904
  5. Step 5: Solve for x
    x = 3,862,373,904/28,612
  6. Step 6: Final answer
    x = 134,991.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.