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Finding the Third Proportional to 86,454,618 and 133,721,913

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Solution

The third proportional to 86,454,618 and 133,721,913 is: 206,831,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454,618 : 133,721,913 = 133,721,913 : x
  2. Step 2: Convert to fraction form
    86,454,618/133,721,913 = 133,721,913/x
  3. Step 3: Cross multiply
    86,454,618x = 133,721,913 × 133,721,913
  4. Step 4: Simplify right side
    86,454,618x = 17,881,550,016,379,568
  5. Step 5: Solve for x
    x = 17,881,550,016,379,568/86,454,618
  6. Step 6: Final answer
    x = 206,831,635.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.