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Finding the Third Proportional to 31,548 and 48,307

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Solution

The third proportional to 31,548 and 48,307 is: 73,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548 : 48,307 = 48,307 : x
  2. Step 2: Convert to fraction form
    31,548/48,307 = 48,307/x
  3. Step 3: Cross multiply
    31,548x = 48,307 × 48,307
  4. Step 4: Simplify right side
    31,548x = 2,333,566,249
  5. Step 5: Solve for x
    x = 2,333,566,249/31,548
  6. Step 6: Final answer
    x = 73,968.75

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.