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Finding the Third Proportional to 86,921,727.75 and 184,206,555

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Solution

The third proportional to 86,921,727.75 and 184,206,555 is: 390,374,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921,727.75 : 184,206,555 = 184,206,555 : x
  2. Step 2: Convert to fraction form
    86,921,727.75/184,206,555 = 184,206,555/x
  3. Step 3: Cross multiply
    86,921,727.75x = 184,206,555 × 184,206,555
  4. Step 4: Simplify right side
    86,921,727.75x = 33,932,054,904,968,024
  5. Step 5: Solve for x
    x = 33,932,054,904,968,024/86,921,727.75
  6. Step 6: Final answer
    x = 390,374,832.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.