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Finding the Third Proportional to 303,538 and 445,466

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Solution

The third proportional to 303,538 and 445,466 is: 653,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,538 : 445,466 = 445,466 : x
  2. Step 2: Convert to fraction form
    303,538/445,466 = 445,466/x
  3. Step 3: Cross multiply
    303,538x = 445,466 × 445,466
  4. Step 4: Simplify right side
    303,538x = 198,439,957,156
  5. Step 5: Solve for x
    x = 198,439,957,156/303,538
  6. Step 6: Final answer
    x = 653,756.55

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.