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Finding the Third Proportional to 27,888 and 40,300

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Solution

The third proportional to 27,888 and 40,300 is: 58,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888 : 40,300 = 40,300 : x
  2. Step 2: Convert to fraction form
    27,888/40,300 = 40,300/x
  3. Step 3: Cross multiply
    27,888x = 40,300 × 40,300
  4. Step 4: Simplify right side
    27,888x = 1,624,090,000
  5. Step 5: Solve for x
    x = 1,624,090,000/27,888
  6. Step 6: Final answer
    x = 58,236.16

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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.