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Finding the Third Proportional to 13,485,488 and 29,128,905

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Solution

The third proportional to 13,485,488 and 29,128,905 is: 62,918,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,488 : 29,128,905 = 29,128,905 : x
  2. Step 2: Convert to fraction form
    13,485,488/29,128,905 = 29,128,905/x
  3. Step 3: Cross multiply
    13,485,488x = 29,128,905 × 29,128,905
  4. Step 4: Simplify right side
    13,485,488x = 848,493,106,499,025
  5. Step 5: Solve for x
    x = 848,493,106,499,025/13,485,488
  6. Step 6: Final answer
    x = 62,918,976.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.