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Finding the Third Proportional to 856,280 and 1,855,192

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Solution

The third proportional to 856,280 and 1,855,192 is: 4,019,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,280 : 1,855,192 = 1,855,192 : x
  2. Step 2: Convert to fraction form
    856,280/1,855,192 = 1,855,192/x
  3. Step 3: Cross multiply
    856,280x = 1,855,192 × 1,855,192
  4. Step 4: Simplify right side
    856,280x = 3,441,737,356,864
  5. Step 5: Solve for x
    x = 3,441,737,356,864/856,280
  6. Step 6: Final answer
    x = 4,019,406.45

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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.