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Finding the Third Proportional to 18,897.05 and 27,316.41

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Solution

The third proportional to 18,897.05 and 27,316.41 is: 39,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.05 : 27,316.41 = 27,316.41 : x
  2. Step 2: Convert to fraction form
    18,897.05/27,316.41 = 27,316.41/x
  3. Step 3: Cross multiply
    18,897.05x = 27,316.41 × 27,316.41
  4. Step 4: Simplify right side
    18,897.05x = 746,186,050.42
  5. Step 5: Solve for x
    x = 746,186,050.42/18,897.05
  6. Step 6: Final answer
    x = 39,486.91

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.