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Finding the Third Proportional to 370,672 and 809,313

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Solution

The third proportional to 370,672 and 809,313 is: 1,767,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,672 : 809,313 = 809,313 : x
  2. Step 2: Convert to fraction form
    370,672/809,313 = 809,313/x
  3. Step 3: Cross multiply
    370,672x = 809,313 × 809,313
  4. Step 4: Simplify right side
    370,672x = 654,987,531,969
  5. Step 5: Solve for x
    x = 654,987,531,969/370,672
  6. Step 6: Final answer
    x = 1,767,027.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.