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Finding the Third Proportional to 885,312 and 1,920,744

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Solution

The third proportional to 885,312 and 1,920,744 is: 4,167,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,312 : 1,920,744 = 1,920,744 : x
  2. Step 2: Convert to fraction form
    885,312/1,920,744 = 1,920,744/x
  3. Step 3: Cross multiply
    885,312x = 1,920,744 × 1,920,744
  4. Step 4: Simplify right side
    885,312x = 3,689,257,513,536
  5. Step 5: Solve for x
    x = 3,689,257,513,536/885,312
  6. Step 6: Final answer
    x = 4,167,183.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.