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Finding the Third Proportional to 448,503 and 747,477

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Solution

The third proportional to 448,503 and 747,477 is: 1,245,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,503 : 747,477 = 747,477 : x
  2. Step 2: Convert to fraction form
    448,503/747,477 = 747,477/x
  3. Step 3: Cross multiply
    448,503x = 747,477 × 747,477
  4. Step 4: Simplify right side
    448,503x = 558,721,865,529
  5. Step 5: Solve for x
    x = 558,721,865,529/448,503
  6. Step 6: Final answer
    x = 1,245,748.34

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.