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Finding the Third Proportional to 18,418,240 and 40,104,060

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Solution

The third proportional to 18,418,240 and 40,104,060 is: 87,322,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,240 : 40,104,060 = 40,104,060 : x
  2. Step 2: Convert to fraction form
    18,418,240/40,104,060 = 40,104,060/x
  3. Step 3: Cross multiply
    18,418,240x = 40,104,060 × 40,104,060
  4. Step 4: Simplify right side
    18,418,240x = 1,608,335,628,483,600
  5. Step 5: Solve for x
    x = 1,608,335,628,483,600/18,418,240
  6. Step 6: Final answer
    x = 87,322,981.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.