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Finding the Third Proportional to 31,095 and 48,642

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Solution

The third proportional to 31,095 and 48,642 is: 76,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095 : 48,642 = 48,642 : x
  2. Step 2: Convert to fraction form
    31,095/48,642 = 48,642/x
  3. Step 3: Cross multiply
    31,095x = 48,642 × 48,642
  4. Step 4: Simplify right side
    31,095x = 2,366,044,164
  5. Step 5: Solve for x
    x = 2,366,044,164/31,095
  6. Step 6: Final answer
    x = 76,090.82

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.