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Finding the Third Proportional to 655,076.25 and 1,388,887.88

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Solution

The third proportional to 655,076.25 and 1,388,887.88 is: 2,944,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,076.25 : 1,388,887.88 = 1,388,887.88 : x
  2. Step 2: Convert to fraction form
    655,076.25/1,388,887.88 = 1,388,887.88/x
  3. Step 3: Cross multiply
    655,076.25x = 1,388,887.88 × 1,388,887.88
  4. Step 4: Simplify right side
    655,076.25x = 1,929,009,529,322.02
  5. Step 5: Solve for x
    x = 1,929,009,529,322.02/655,076.25
  6. Step 6: Final answer
    x = 2,944,709.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.