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Finding the Third Proportional to 13,462,976 and 28,978,816

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Solution

The third proportional to 13,462,976 and 28,978,816 is: 62,376,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,976 : 28,978,816 = 28,978,816 : x
  2. Step 2: Convert to fraction form
    13,462,976/28,978,816 = 28,978,816/x
  3. Step 3: Cross multiply
    13,462,976x = 28,978,816 × 28,978,816
  4. Step 4: Simplify right side
    13,462,976x = 839,771,776,761,856
  5. Step 5: Solve for x
    x = 839,771,776,761,856/13,462,976
  6. Step 6: Final answer
    x = 62,376,385.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.