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Finding the Third Proportional to 474,242 and 693,612

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Solution

The third proportional to 474,242 and 693,612 is: 1,014,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,242 : 693,612 = 693,612 : x
  2. Step 2: Convert to fraction form
    474,242/693,612 = 693,612/x
  3. Step 3: Cross multiply
    474,242x = 693,612 × 693,612
  4. Step 4: Simplify right side
    474,242x = 481,097,606,544
  5. Step 5: Solve for x
    x = 481,097,606,544/474,242
  6. Step 6: Final answer
    x = 1,014,455.92

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.