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Finding the Third Proportional to 383,330,889 and 625,878,589

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Solution

The third proportional to 383,330,889 and 625,878,589 is: 1,021,895,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,330,889 : 625,878,589 = 625,878,589 : x
  2. Step 2: Convert to fraction form
    383,330,889/625,878,589 = 625,878,589/x
  3. Step 3: Cross multiply
    383,330,889x = 625,878,589 × 625,878,589
  4. Step 4: Simplify right side
    383,330,889x = 391,724,008,168,630,912
  5. Step 5: Solve for x
    x = 391,724,008,168,630,912/383,330,889
  6. Step 6: Final answer
    x = 1,021,895,233.10

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.