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Finding the Third Proportional to 18,366,321 and 40,039,554

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Solution

The third proportional to 18,366,321 and 40,039,554 is: 87,288,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,321 : 40,039,554 = 40,039,554 : x
  2. Step 2: Convert to fraction form
    18,366,321/40,039,554 = 40,039,554/x
  3. Step 3: Cross multiply
    18,366,321x = 40,039,554 × 40,039,554
  4. Step 4: Simplify right side
    18,366,321x = 1,603,165,884,518,916
  5. Step 5: Solve for x
    x = 1,603,165,884,518,916/18,366,321
  6. Step 6: Final answer
    x = 87,288,351.57

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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.