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Finding the Third Proportional to 288,622,483 and 630,149,558

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Solution

The third proportional to 288,622,483 and 630,149,558 is: 1,375,805,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,622,483 : 630,149,558 = 630,149,558 : x
  2. Step 2: Convert to fraction form
    288,622,483/630,149,558 = 630,149,558/x
  3. Step 3: Cross multiply
    288,622,483x = 630,149,558 × 630,149,558
  4. Step 4: Simplify right side
    288,622,483x = 397,088,465,447,595,392
  5. Step 5: Solve for x
    x = 397,088,465,447,595,392/288,622,483
  6. Step 6: Final answer
    x = 1,375,805,728.37

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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.