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Finding the Third Proportional to 124,628,771 and 288,493,040

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Solution

The third proportional to 124,628,771 and 288,493,040 is: 667,809,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,628,771 : 288,493,040 = 288,493,040 : x
  2. Step 2: Convert to fraction form
    124,628,771/288,493,040 = 288,493,040/x
  3. Step 3: Cross multiply
    124,628,771x = 288,493,040 × 288,493,040
  4. Step 4: Simplify right side
    124,628,771x = 83,228,234,128,441,600
  5. Step 5: Solve for x
    x = 83,228,234,128,441,600/124,628,771
  6. Step 6: Final answer
    x = 667,809,154.02

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.