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Finding the Third Proportional to 38,926.50 and 55,473

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Solution

The third proportional to 38,926.50 and 55,473 is: 79,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,926.50 : 55,473 = 55,473 : x
  2. Step 2: Convert to fraction form
    38,926.50/55,473 = 55,473/x
  3. Step 3: Cross multiply
    38,926.50x = 55,473 × 55,473
  4. Step 4: Simplify right side
    38,926.50x = 3,077,253,729
  5. Step 5: Solve for x
    x = 3,077,253,729/38,926.50
  6. Step 6: Final answer
    x = 79,052.93

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.