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Finding the Third Proportional to 18,237 and 27,895.50

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Solution

The third proportional to 18,237 and 27,895.50 is: 42,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237 : 27,895.50 = 27,895.50 : x
  2. Step 2: Convert to fraction form
    18,237/27,895.50 = 27,895.50/x
  3. Step 3: Cross multiply
    18,237x = 27,895.50 × 27,895.50
  4. Step 4: Simplify right side
    18,237x = 778,158,920.25
  5. Step 5: Solve for x
    x = 778,158,920.25/18,237
  6. Step 6: Final answer
    x = 42,669.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.