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Finding the Third Proportional to 203,658 and 447,468

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Solution

The third proportional to 203,658 and 447,468 is: 983,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,658 : 447,468 = 447,468 : x
  2. Step 2: Convert to fraction form
    203,658/447,468 = 447,468/x
  3. Step 3: Cross multiply
    203,658x = 447,468 × 447,468
  4. Step 4: Simplify right side
    203,658x = 200,227,611,024
  5. Step 5: Solve for x
    x = 200,227,611,024/203,658
  6. Step 6: Final answer
    x = 983,156.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.