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Finding the Third Proportional to 131,611,488 and 210,169,872

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Solution

The third proportional to 131,611,488 and 210,169,872 is: 335,619,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611,488 : 210,169,872 = 210,169,872 : x
  2. Step 2: Convert to fraction form
    131,611,488/210,169,872 = 210,169,872/x
  3. Step 3: Cross multiply
    131,611,488x = 210,169,872 × 210,169,872
  4. Step 4: Simplify right side
    131,611,488x = 44,171,375,096,496,384
  5. Step 5: Solve for x
    x = 44,171,375,096,496,384/131,611,488
  6. Step 6: Final answer
    x = 335,619,449.09

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.