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Finding the Third Proportional to 165,480 and 357,204

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Solution

The third proportional to 165,480 and 357,204 is: 771,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,480 : 357,204 = 357,204 : x
  2. Step 2: Convert to fraction form
    165,480/357,204 = 357,204/x
  3. Step 3: Cross multiply
    165,480x = 357,204 × 357,204
  4. Step 4: Simplify right side
    165,480x = 127,594,697,616
  5. Step 5: Solve for x
    x = 127,594,697,616/165,480
  6. Step 6: Final answer
    x = 771,058.12

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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.