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Finding the Third Proportional to 169,322 and 372,070

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Solution

The third proportional to 169,322 and 372,070 is: 817,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,322 : 372,070 = 372,070 : x
  2. Step 2: Convert to fraction form
    169,322/372,070 = 372,070/x
  3. Step 3: Cross multiply
    169,322x = 372,070 × 372,070
  4. Step 4: Simplify right side
    169,322x = 138,436,084,900
  5. Step 5: Solve for x
    x = 138,436,084,900/169,322
  6. Step 6: Final answer
    x = 817,590.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.