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Finding the Third Proportional to 18,483,990.75 and 41,218,051.50

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Solution

The third proportional to 18,483,990.75 and 41,218,051.50 is: 91,913,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483,990.75 : 41,218,051.50 = 41,218,051.50 : x
  2. Step 2: Convert to fraction form
    18,483,990.75/41,218,051.50 = 41,218,051.50/x
  3. Step 3: Cross multiply
    18,483,990.75x = 41,218,051.50 × 41,218,051.50
  4. Step 4: Simplify right side
    18,483,990.75x = 1,698,927,769,456,652.25
  5. Step 5: Solve for x
    x = 1,698,927,769,456,652.25/18,483,990.75
  6. Step 6: Final answer
    x = 91,913,472.17

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.