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Finding the Third Proportional to 165,629 and 357,498

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Solution

The third proportional to 165,629 and 357,498 is: 771,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629 : 357,498 = 357,498 : x
  2. Step 2: Convert to fraction form
    165,629/357,498 = 357,498/x
  3. Step 3: Cross multiply
    165,629x = 357,498 × 357,498
  4. Step 4: Simplify right side
    165,629x = 127,804,820,004
  5. Step 5: Solve for x
    x = 127,804,820,004/165,629
  6. Step 6: Final answer
    x = 771,633.11

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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.