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Finding the Third Proportional to 27,135 and 38,569.50

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Solution

The third proportional to 27,135 and 38,569.50 is: 54,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135 : 38,569.50 = 38,569.50 : x
  2. Step 2: Convert to fraction form
    27,135/38,569.50 = 38,569.50/x
  3. Step 3: Cross multiply
    27,135x = 38,569.50 × 38,569.50
  4. Step 4: Simplify right side
    27,135x = 1,487,606,330.25
  5. Step 5: Solve for x
    x = 1,487,606,330.25/27,135
  6. Step 6: Final answer
    x = 54,822.42

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.