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Finding the Third Proportional to 18,865,102.50 and 40,419,729

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Solution

The third proportional to 18,865,102.50 and 40,419,729 is: 86,601,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,102.50 : 40,419,729 = 40,419,729 : x
  2. Step 2: Convert to fraction form
    18,865,102.50/40,419,729 = 40,419,729/x
  3. Step 3: Cross multiply
    18,865,102.50x = 40,419,729 × 40,419,729
  4. Step 4: Simplify right side
    18,865,102.50x = 1,633,754,492,433,441
  5. Step 5: Solve for x
    x = 1,633,754,492,433,441/18,865,102.50
  6. Step 6: Final answer
    x = 86,601,940.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.