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Finding the Third Proportional to 117,790,931 and 251,958,118

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Solution

The third proportional to 117,790,931 and 251,958,118 is: 538,945,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,790,931 : 251,958,118 = 251,958,118 : x
  2. Step 2: Convert to fraction form
    117,790,931/251,958,118 = 251,958,118/x
  3. Step 3: Cross multiply
    117,790,931x = 251,958,118 × 251,958,118
  4. Step 4: Simplify right side
    117,790,931x = 63,482,893,226,101,920
  5. Step 5: Solve for x
    x = 63,482,893,226,101,920/117,790,931
  6. Step 6: Final answer
    x = 538,945,508.68

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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.