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Finding the Third Proportional to 878,222 and 1,889,596

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Solution

The third proportional to 878,222 and 1,889,596 is: 4,065,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,222 : 1,889,596 = 1,889,596 : x
  2. Step 2: Convert to fraction form
    878,222/1,889,596 = 1,889,596/x
  3. Step 3: Cross multiply
    878,222x = 1,889,596 × 1,889,596
  4. Step 4: Simplify right side
    878,222x = 3,570,573,043,216
  5. Step 5: Solve for x
    x = 3,570,573,043,216/878,222
  6. Step 6: Final answer
    x = 4,065,683.90

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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.