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Finding the Third Proportional to 31,051 and 49,202

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Solution

The third proportional to 31,051 and 49,202 is: 77,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051 : 49,202 = 49,202 : x
  2. Step 2: Convert to fraction form
    31,051/49,202 = 49,202/x
  3. Step 3: Cross multiply
    31,051x = 49,202 × 49,202
  4. Step 4: Simplify right side
    31,051x = 2,420,836,804
  5. Step 5: Solve for x
    x = 2,420,836,804/31,051
  6. Step 6: Final answer
    x = 77,963.25

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.