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Finding the Third Proportional to 888,455 and 1,299,361

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Solution

The third proportional to 888,455 and 1,299,361 is: 1,900,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,455 : 1,299,361 = 1,299,361 : x
  2. Step 2: Convert to fraction form
    888,455/1,299,361 = 1,299,361/x
  3. Step 3: Cross multiply
    888,455x = 1,299,361 × 1,299,361
  4. Step 4: Simplify right side
    888,455x = 1,688,339,008,321
  5. Step 5: Solve for x
    x = 1,688,339,008,321/888,455
  6. Step 6: Final answer
    x = 1,900,308.97

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.