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Finding the Third Proportional to 393,555 and 849,318

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Solution

The third proportional to 393,555 and 849,318 is: 1,832,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,555 : 849,318 = 849,318 : x
  2. Step 2: Convert to fraction form
    393,555/849,318 = 849,318/x
  3. Step 3: Cross multiply
    393,555x = 849,318 × 849,318
  4. Step 4: Simplify right side
    393,555x = 721,341,065,124
  5. Step 5: Solve for x
    x = 721,341,065,124/393,555
  6. Step 6: Final answer
    x = 1,832,885.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.