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Finding the Third Proportional to 985,261.50 and 2,117,865

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Solution

The third proportional to 985,261.50 and 2,117,865 is: 4,552,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,261.50 : 2,117,865 = 2,117,865 : x
  2. Step 2: Convert to fraction form
    985,261.50/2,117,865 = 2,117,865/x
  3. Step 3: Cross multiply
    985,261.50x = 2,117,865 × 2,117,865
  4. Step 4: Simplify right side
    985,261.50x = 4,485,352,158,225
  5. Step 5: Solve for x
    x = 4,485,352,158,225/985,261.50
  6. Step 6: Final answer
    x = 4,552,448.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.