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Finding the Third Proportional to 873,807 and 1,869,059

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Solution

The third proportional to 873,807 and 1,869,059 is: 3,997,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,807 : 1,869,059 = 1,869,059 : x
  2. Step 2: Convert to fraction form
    873,807/1,869,059 = 1,869,059/x
  3. Step 3: Cross multiply
    873,807x = 1,869,059 × 1,869,059
  4. Step 4: Simplify right side
    873,807x = 3,493,381,545,481
  5. Step 5: Solve for x
    x = 3,493,381,545,481/873,807
  6. Step 6: Final answer
    x = 3,997,886.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.