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Finding the Third Proportional to 811,663 and 1,285,179

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Solution

The third proportional to 811,663 and 1,285,179 is: 2,034,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,663 : 1,285,179 = 1,285,179 : x
  2. Step 2: Convert to fraction form
    811,663/1,285,179 = 1,285,179/x
  3. Step 3: Cross multiply
    811,663x = 1,285,179 × 1,285,179
  4. Step 4: Simplify right side
    811,663x = 1,651,685,062,041
  5. Step 5: Solve for x
    x = 1,651,685,062,041/811,663
  6. Step 6: Final answer
    x = 2,034,939.45

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.