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Finding the Third Proportional to 455,882.34 and 992,035.69

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Solution

The third proportional to 455,882.34 and 992,035.69 is: 2,158,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,882.34 : 992,035.69 = 992,035.69 : x
  2. Step 2: Convert to fraction form
    455,882.34/992,035.69 = 992,035.69/x
  3. Step 3: Cross multiply
    455,882.34x = 992,035.69 × 992,035.69
  4. Step 4: Simplify right side
    455,882.34x = 984,134,805,273.60
  5. Step 5: Solve for x
    x = 984,134,805,273.60/455,882.34
  6. Step 6: Final answer
    x = 2,158,747.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.