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Finding the Third Proportional to 28,074 and 61,423

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Solution

The third proportional to 28,074 and 61,423 is: 134,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074 : 61,423 = 61,423 : x
  2. Step 2: Convert to fraction form
    28,074/61,423 = 61,423/x
  3. Step 3: Cross multiply
    28,074x = 61,423 × 61,423
  4. Step 4: Simplify right side
    28,074x = 3,772,784,929
  5. Step 5: Solve for x
    x = 3,772,784,929/28,074
  6. Step 6: Final answer
    x = 134,387.15

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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.