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Finding the Third Proportional to 251,948,620.13 and 360,286,962.19

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Solution

The third proportional to 251,948,620.13 and 360,286,962.19 is: 515,210,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,948,620.13 : 360,286,962.19 = 360,286,962.19 : x
  2. Step 2: Convert to fraction form
    251,948,620.13/360,286,962.19 = 360,286,962.19/x
  3. Step 3: Cross multiply
    251,948,620.13x = 360,286,962.19 × 360,286,962.19
  4. Step 4: Simplify right side
    251,948,620.13x = 129,806,695,122,297,056
  5. Step 5: Solve for x
    x = 129,806,695,122,297,056/251,948,620.13
  6. Step 6: Final answer
    x = 515,210,978.56

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.