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Finding the Third Proportional to 1,262,431 and 1,775,697.75

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Solution

The third proportional to 1,262,431 and 1,775,697.75 is: 2,497,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,431 : 1,775,697.75 = 1,775,697.75 : x
  2. Step 2: Convert to fraction form
    1,262,431/1,775,697.75 = 1,775,697.75/x
  3. Step 3: Cross multiply
    1,262,431x = 1,775,697.75 × 1,775,697.75
  4. Step 4: Simplify right side
    1,262,431x = 3,153,102,499,355.06
  5. Step 5: Solve for x
    x = 3,153,102,499,355.06/1,262,431
  6. Step 6: Final answer
    x = 2,497,643.44

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.