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Finding the Third Proportional to 4,124,929 and 8,881,764

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Solution

The third proportional to 4,124,929 and 8,881,764 is: 19,124,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124,929 : 8,881,764 = 8,881,764 : x
  2. Step 2: Convert to fraction form
    4,124,929/8,881,764 = 8,881,764/x
  3. Step 3: Cross multiply
    4,124,929x = 8,881,764 × 8,881,764
  4. Step 4: Simplify right side
    4,124,929x = 78,885,731,751,696
  5. Step 5: Solve for x
    x = 78,885,731,751,696/4,124,929
  6. Step 6: Final answer
    x = 19,124,142.93

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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.