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Finding the Third Proportional to 618,835 and 984,636

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Solution

The third proportional to 618,835 and 984,636 is: 1,566,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,835 : 984,636 = 984,636 : x
  2. Step 2: Convert to fraction form
    618,835/984,636 = 984,636/x
  3. Step 3: Cross multiply
    618,835x = 984,636 × 984,636
  4. Step 4: Simplify right side
    618,835x = 969,508,052,496
  5. Step 5: Solve for x
    x = 969,508,052,496/618,835
  6. Step 6: Final answer
    x = 1,566,666.48

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Why These Related Problems?

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