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Finding the Third Proportional to 53,076 and 75,444

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Solution

The third proportional to 53,076 and 75,444 is: 107,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,076 : 75,444 = 75,444 : x
  2. Step 2: Convert to fraction form
    53,076/75,444 = 75,444/x
  3. Step 3: Cross multiply
    53,076x = 75,444 × 75,444
  4. Step 4: Simplify right side
    53,076x = 5,691,797,136
  5. Step 5: Solve for x
    x = 5,691,797,136/53,076
  6. Step 6: Final answer
    x = 107,238.62

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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.