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Finding the Third Proportional to 666,340 and 1,059,788

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Solution

The third proportional to 666,340 and 1,059,788 is: 1,685,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,340 : 1,059,788 = 1,059,788 : x
  2. Step 2: Convert to fraction form
    666,340/1,059,788 = 1,059,788/x
  3. Step 3: Cross multiply
    666,340x = 1,059,788 × 1,059,788
  4. Step 4: Simplify right side
    666,340x = 1,123,150,604,944
  5. Step 5: Solve for x
    x = 1,123,150,604,944/666,340
  6. Step 6: Final answer
    x = 1,685,551.83

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.