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Finding the Third Proportional to 303,470 and 471,505

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Solution

The third proportional to 303,470 and 471,505 is: 732,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,470 : 471,505 = 471,505 : x
  2. Step 2: Convert to fraction form
    303,470/471,505 = 471,505/x
  3. Step 3: Cross multiply
    303,470x = 471,505 × 471,505
  4. Step 4: Simplify right side
    303,470x = 222,316,965,025
  5. Step 5: Solve for x
    x = 222,316,965,025/303,470
  6. Step 6: Final answer
    x = 732,583.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.