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Finding the Third Proportional to 77,606,613 and 168,991,326

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Solution

The third proportional to 77,606,613 and 168,991,326 is: 367,984,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,606,613 : 168,991,326 = 168,991,326 : x
  2. Step 2: Convert to fraction form
    77,606,613/168,991,326 = 168,991,326/x
  3. Step 3: Cross multiply
    77,606,613x = 168,991,326 × 168,991,326
  4. Step 4: Simplify right side
    77,606,613x = 28,558,068,263,238,276
  5. Step 5: Solve for x
    x = 28,558,068,263,238,276/77,606,613
  6. Step 6: Final answer
    x = 367,984,984.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.