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Finding the Third Proportional to 47,926 and 102,791

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Solution

The third proportional to 47,926 and 102,791 is: 220,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926 : 102,791 = 102,791 : x
  2. Step 2: Convert to fraction form
    47,926/102,791 = 102,791/x
  3. Step 3: Cross multiply
    47,926x = 102,791 × 102,791
  4. Step 4: Simplify right side
    47,926x = 10,565,989,681
  5. Step 5: Solve for x
    x = 10,565,989,681/47,926
  6. Step 6: Final answer
    x = 220,464.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.