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Finding the Third Proportional to 876,936 and 1,889,226

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Solution

The third proportional to 876,936 and 1,889,226 is: 4,070,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,936 : 1,889,226 = 1,889,226 : x
  2. Step 2: Convert to fraction form
    876,936/1,889,226 = 1,889,226/x
  3. Step 3: Cross multiply
    876,936x = 1,889,226 × 1,889,226
  4. Step 4: Simplify right side
    876,936x = 3,569,174,879,076
  5. Step 5: Solve for x
    x = 3,569,174,879,076/876,936
  6. Step 6: Final answer
    x = 4,070,051.72

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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.