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Finding the Third Proportional to 888,628 and 1,376,358

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Solution

The third proportional to 888,628 and 1,376,358 is: 2,131,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,628 : 1,376,358 = 1,376,358 : x
  2. Step 2: Convert to fraction form
    888,628/1,376,358 = 1,376,358/x
  3. Step 3: Cross multiply
    888,628x = 1,376,358 × 1,376,358
  4. Step 4: Simplify right side
    888,628x = 1,894,361,344,164
  5. Step 5: Solve for x
    x = 1,894,361,344,164/888,628
  6. Step 6: Final answer
    x = 2,131,782.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.