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Finding the Third Proportional to 784,314 and 1,211,706

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Solution

The third proportional to 784,314 and 1,211,706 is: 1,871,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,314 : 1,211,706 = 1,211,706 : x
  2. Step 2: Convert to fraction form
    784,314/1,211,706 = 1,211,706/x
  3. Step 3: Cross multiply
    784,314x = 1,211,706 × 1,211,706
  4. Step 4: Simplify right side
    784,314x = 1,468,231,430,436
  5. Step 5: Solve for x
    x = 1,468,231,430,436/784,314
  6. Step 6: Final answer
    x = 1,871,994.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.