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Finding the Third Proportional to 77,948 and 124,032

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Solution

The third proportional to 77,948 and 124,032 is: 197,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,948 : 124,032 = 124,032 : x
  2. Step 2: Convert to fraction form
    77,948/124,032 = 124,032/x
  3. Step 3: Cross multiply
    77,948x = 124,032 × 124,032
  4. Step 4: Simplify right side
    77,948x = 15,383,937,024
  5. Step 5: Solve for x
    x = 15,383,937,024/77,948
  6. Step 6: Final answer
    x = 197,361.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.