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Finding the Third Proportional to 18,548 and 28,510

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Solution

The third proportional to 18,548 and 28,510 is: 43,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548 : 28,510 = 28,510 : x
  2. Step 2: Convert to fraction form
    18,548/28,510 = 28,510/x
  3. Step 3: Cross multiply
    18,548x = 28,510 × 28,510
  4. Step 4: Simplify right side
    18,548x = 812,820,100
  5. Step 5: Solve for x
    x = 812,820,100/18,548
  6. Step 6: Final answer
    x = 43,822.52

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.