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Finding the Third Proportional to 262,698 and 400,602

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Solution

The third proportional to 262,698 and 400,602 is: 610,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,698 : 400,602 = 400,602 : x
  2. Step 2: Convert to fraction form
    262,698/400,602 = 400,602/x
  3. Step 3: Cross multiply
    262,698x = 400,602 × 400,602
  4. Step 4: Simplify right side
    262,698x = 160,481,962,404
  5. Step 5: Solve for x
    x = 160,481,962,404/262,698
  6. Step 6: Final answer
    x = 610,899.06

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.