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Finding the Third Proportional to 178,162,853 and 372,615,192

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Solution

The third proportional to 178,162,853 and 372,615,192 is: 779,298,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,162,853 : 372,615,192 = 372,615,192 : x
  2. Step 2: Convert to fraction form
    178,162,853/372,615,192 = 372,615,192/x
  3. Step 3: Cross multiply
    178,162,853x = 372,615,192 × 372,615,192
  4. Step 4: Simplify right side
    178,162,853x = 138,842,081,309,196,864
  5. Step 5: Solve for x
    x = 138,842,081,309,196,864/178,162,853
  6. Step 6: Final answer
    x = 779,298,708.86

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.