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Finding the Third Proportional to 207,876 and 447,776

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Solution

The third proportional to 207,876 and 447,776 is: 964,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,876 : 447,776 = 447,776 : x
  2. Step 2: Convert to fraction form
    207,876/447,776 = 447,776/x
  3. Step 3: Cross multiply
    207,876x = 447,776 × 447,776
  4. Step 4: Simplify right side
    207,876x = 200,503,346,176
  5. Step 5: Solve for x
    x = 200,503,346,176/207,876
  6. Step 6: Final answer
    x = 964,533.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.