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Finding the Third Proportional to 291,270 and 623,026

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Solution

The third proportional to 291,270 and 623,026 is: 1,332,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,270 : 623,026 = 623,026 : x
  2. Step 2: Convert to fraction form
    291,270/623,026 = 623,026/x
  3. Step 3: Cross multiply
    291,270x = 623,026 × 623,026
  4. Step 4: Simplify right side
    291,270x = 388,161,396,676
  5. Step 5: Solve for x
    x = 388,161,396,676/291,270
  6. Step 6: Final answer
    x = 1,332,651.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.