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Finding the Third Proportional to 117,790,929 and 251,958,114

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Solution

The third proportional to 117,790,929 and 251,958,114 is: 538,945,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,790,929 : 251,958,114 = 251,958,114 : x
  2. Step 2: Convert to fraction form
    117,790,929/251,958,114 = 251,958,114/x
  3. Step 3: Cross multiply
    117,790,929x = 251,958,114 × 251,958,114
  4. Step 4: Simplify right side
    117,790,929x = 63,482,891,210,436,992
  5. Step 5: Solve for x
    x = 63,482,891,210,436,992/117,790,929
  6. Step 6: Final answer
    x = 538,945,500.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.