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Finding the Third Proportional to 789,318 and 1,711,692

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Solution

The third proportional to 789,318 and 1,711,692 is: 3,711,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,318 : 1,711,692 = 1,711,692 : x
  2. Step 2: Convert to fraction form
    789,318/1,711,692 = 1,711,692/x
  3. Step 3: Cross multiply
    789,318x = 1,711,692 × 1,711,692
  4. Step 4: Simplify right side
    789,318x = 2,929,889,502,864
  5. Step 5: Solve for x
    x = 2,929,889,502,864/789,318
  6. Step 6: Final answer
    x = 3,711,925.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.