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Finding the Third Proportional to 818,026 and 1,711,219

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Solution

The third proportional to 818,026 and 1,711,219 is: 3,579,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,026 : 1,711,219 = 1,711,219 : x
  2. Step 2: Convert to fraction form
    818,026/1,711,219 = 1,711,219/x
  3. Step 3: Cross multiply
    818,026x = 1,711,219 × 1,711,219
  4. Step 4: Simplify right side
    818,026x = 2,928,270,465,961
  5. Step 5: Solve for x
    x = 2,928,270,465,961/818,026
  6. Step 6: Final answer
    x = 3,579,678.97

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.