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Finding the Third Proportional to 856,318 and 1,841,803

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Solution

The third proportional to 856,318 and 1,841,803 is: 3,961,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,318 : 1,841,803 = 1,841,803 : x
  2. Step 2: Convert to fraction form
    856,318/1,841,803 = 1,841,803/x
  3. Step 3: Cross multiply
    856,318x = 1,841,803 × 1,841,803
  4. Step 4: Simplify right side
    856,318x = 3,392,238,290,809
  5. Step 5: Solve for x
    x = 3,392,238,290,809/856,318
  6. Step 6: Final answer
    x = 3,961,423.55

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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.