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Finding the Third Proportional to 356,990 and 750,796

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Solution

The third proportional to 356,990 and 750,796 is: 1,579,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,990 : 750,796 = 750,796 : x
  2. Step 2: Convert to fraction form
    356,990/750,796 = 750,796/x
  3. Step 3: Cross multiply
    356,990x = 750,796 × 750,796
  4. Step 4: Simplify right side
    356,990x = 563,694,633,616
  5. Step 5: Solve for x
    x = 563,694,633,616/356,990
  6. Step 6: Final answer
    x = 1,579,020.80

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.