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Finding the Third Proportional to 89,923,730 and 212,206,589

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Solution

The third proportional to 89,923,730 and 212,206,589 is: 500,775,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923,730 : 212,206,589 = 212,206,589 : x
  2. Step 2: Convert to fraction form
    89,923,730/212,206,589 = 212,206,589/x
  3. Step 3: Cross multiply
    89,923,730x = 212,206,589 × 212,206,589
  4. Step 4: Simplify right side
    89,923,730x = 45,031,636,415,014,920
  5. Step 5: Solve for x
    x = 45,031,636,415,014,920/89,923,730
  6. Step 6: Final answer
    x = 500,775,895.47

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.