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Finding the Third Proportional to 918,087.75 and 1,377,131.63

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Solution

The third proportional to 918,087.75 and 1,377,131.63 is: 2,065,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,087.75 : 1,377,131.63 = 1,377,131.63 : x
  2. Step 2: Convert to fraction form
    918,087.75/1,377,131.63 = 1,377,131.63/x
  3. Step 3: Cross multiply
    918,087.75x = 1,377,131.63 × 1,377,131.63
  4. Step 4: Simplify right side
    918,087.75x = 1,896,491,512,575.14
  5. Step 5: Solve for x
    x = 1,896,491,512,575.14/918,087.75
  6. Step 6: Final answer
    x = 2,065,697.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.