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Finding the Third Proportional to 818,019 and 1,711,206

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Solution

The third proportional to 818,019 and 1,711,206 is: 3,579,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,019 : 1,711,206 = 1,711,206 : x
  2. Step 2: Convert to fraction form
    818,019/1,711,206 = 1,711,206/x
  3. Step 3: Cross multiply
    818,019x = 1,711,206 × 1,711,206
  4. Step 4: Simplify right side
    818,019x = 2,928,225,974,436
  5. Step 5: Solve for x
    x = 2,928,225,974,436/818,019
  6. Step 6: Final answer
    x = 3,579,655.21

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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.