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Finding the Third Proportional to 58,979,664 and 129,296,736

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Solution

The third proportional to 58,979,664 and 129,296,736 is: 283,447,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,979,664 : 129,296,736 = 129,296,736 : x
  2. Step 2: Convert to fraction form
    58,979,664/129,296,736 = 129,296,736/x
  3. Step 3: Cross multiply
    58,979,664x = 129,296,736 × 129,296,736
  4. Step 4: Simplify right side
    58,979,664x = 16,717,645,940,253,696
  5. Step 5: Solve for x
    x = 16,717,645,940,253,696/58,979,664
  6. Step 6: Final answer
    x = 283,447,629.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.