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Finding the Third Proportional to 40,858 and 64,202

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Solution

The third proportional to 40,858 and 64,202 is: 100,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858 : 64,202 = 64,202 : x
  2. Step 2: Convert to fraction form
    40,858/64,202 = 64,202/x
  3. Step 3: Cross multiply
    40,858x = 64,202 × 64,202
  4. Step 4: Simplify right side
    40,858x = 4,121,896,804
  5. Step 5: Solve for x
    x = 4,121,896,804/40,858
  6. Step 6: Final answer
    x = 100,883.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.