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Finding the Third Proportional to 307,356 and 474,666

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Solution

The third proportional to 307,356 and 474,666 is: 733,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,356 : 474,666 = 474,666 : x
  2. Step 2: Convert to fraction form
    307,356/474,666 = 474,666/x
  3. Step 3: Cross multiply
    307,356x = 474,666 × 474,666
  4. Step 4: Simplify right side
    307,356x = 225,307,811,556
  5. Step 5: Solve for x
    x = 225,307,811,556/307,356
  6. Step 6: Final answer
    x = 733,051.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.