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Finding the Third Proportional to 891,961.88 and 1,271,512.69

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Solution

The third proportional to 891,961.88 and 1,271,512.69 is: 1,812,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,961.88 : 1,271,512.69 = 1,271,512.69 : x
  2. Step 2: Convert to fraction form
    891,961.88/1,271,512.69 = 1,271,512.69/x
  3. Step 3: Cross multiply
    891,961.88x = 1,271,512.69 × 1,271,512.69
  4. Step 4: Simplify right side
    891,961.88x = 1,616,744,514,473.47
  5. Step 5: Solve for x
    x = 1,616,744,514,473.47/891,961.88
  6. Step 6: Final answer
    x = 1,812,571.32

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.