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Finding the Third Proportional to 669,351 and 1,005,485

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Solution

The third proportional to 669,351 and 1,005,485 is: 1,510,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,351 : 1,005,485 = 1,005,485 : x
  2. Step 2: Convert to fraction form
    669,351/1,005,485 = 1,005,485/x
  3. Step 3: Cross multiply
    669,351x = 1,005,485 × 1,005,485
  4. Step 4: Simplify right side
    669,351x = 1,011,000,085,225
  5. Step 5: Solve for x
    x = 1,011,000,085,225/669,351
  6. Step 6: Final answer
    x = 1,510,418.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.