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Finding the Third Proportional to 165,308 and 356,854

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Solution

The third proportional to 165,308 and 356,854 is: 770,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,308 : 356,854 = 356,854 : x
  2. Step 2: Convert to fraction form
    165,308/356,854 = 356,854/x
  3. Step 3: Cross multiply
    165,308x = 356,854 × 356,854
  4. Step 4: Simplify right side
    165,308x = 127,344,777,316
  5. Step 5: Solve for x
    x = 127,344,777,316/165,308
  6. Step 6: Final answer
    x = 770,348.55

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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.