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Finding the Third Proportional to 454,405 and 955,817

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Solution

The third proportional to 454,405 and 955,817 is: 2,010,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,405 : 955,817 = 955,817 : x
  2. Step 2: Convert to fraction form
    454,405/955,817 = 955,817/x
  3. Step 3: Cross multiply
    454,405x = 955,817 × 955,817
  4. Step 4: Simplify right side
    454,405x = 913,586,137,489
  5. Step 5: Solve for x
    x = 913,586,137,489/454,405
  6. Step 6: Final answer
    x = 2,010,510.75

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.