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Finding the Third Proportional to 165,304 and 358,080

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Solution

The third proportional to 165,304 and 358,080 is: 775,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,304 : 358,080 = 358,080 : x
  2. Step 2: Convert to fraction form
    165,304/358,080 = 358,080/x
  3. Step 3: Cross multiply
    165,304x = 358,080 × 358,080
  4. Step 4: Simplify right side
    165,304x = 128,221,286,400
  5. Step 5: Solve for x
    x = 128,221,286,400/165,304
  6. Step 6: Final answer
    x = 775,669.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.