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Finding the Third Proportional to 28,510 and 62,438

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Solution

The third proportional to 28,510 and 62,438 is: 136,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510 : 62,438 = 62,438 : x
  2. Step 2: Convert to fraction form
    28,510/62,438 = 62,438/x
  3. Step 3: Cross multiply
    28,510x = 62,438 × 62,438
  4. Step 4: Simplify right side
    28,510x = 3,898,503,844
  5. Step 5: Solve for x
    x = 3,898,503,844/28,510
  6. Step 6: Final answer
    x = 136,741.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.