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Finding the Third Proportional to 144,651,687 and 218,322,709.50

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Solution

The third proportional to 144,651,687 and 218,322,709.50 is: 329,514,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,651,687 : 218,322,709.50 = 218,322,709.50 : x
  2. Step 2: Convert to fraction form
    144,651,687/218,322,709.50 = 218,322,709.50/x
  3. Step 3: Cross multiply
    144,651,687x = 218,322,709.50 × 218,322,709.50
  4. Step 4: Simplify right side
    144,651,687x = 47,664,805,483,421,392
  5. Step 5: Solve for x
    x = 47,664,805,483,421,392/144,651,687
  6. Step 6: Final answer
    x = 329,514,342.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.