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Finding the Third Proportional to 165,623 and 357,472

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Solution

The third proportional to 165,623 and 357,472 is: 771,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623 : 357,472 = 357,472 : x
  2. Step 2: Convert to fraction form
    165,623/357,472 = 357,472/x
  3. Step 3: Cross multiply
    165,623x = 357,472 × 357,472
  4. Step 4: Simplify right side
    165,623x = 127,786,230,784
  5. Step 5: Solve for x
    x = 127,786,230,784/165,623
  6. Step 6: Final answer
    x = 771,548.82

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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.