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Finding the Third Proportional to 27,294 and 40,772

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Solution

The third proportional to 27,294 and 40,772 is: 60,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294 : 40,772 = 40,772 : x
  2. Step 2: Convert to fraction form
    27,294/40,772 = 40,772/x
  3. Step 3: Cross multiply
    27,294x = 40,772 × 40,772
  4. Step 4: Simplify right side
    27,294x = 1,662,355,984
  5. Step 5: Solve for x
    x = 1,662,355,984/27,294
  6. Step 6: Final answer
    x = 60,905.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.