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Finding the Third Proportional to 403,570 and 885,864

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Solution

The third proportional to 403,570 and 885,864 is: 1,944,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,570 : 885,864 = 885,864 : x
  2. Step 2: Convert to fraction form
    403,570/885,864 = 885,864/x
  3. Step 3: Cross multiply
    403,570x = 885,864 × 885,864
  4. Step 4: Simplify right side
    403,570x = 784,755,026,496
  5. Step 5: Solve for x
    x = 784,755,026,496/403,570
  6. Step 6: Final answer
    x = 1,944,532.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.