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Finding the Third Proportional to 15,921,964 and 34,824,976

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Solution

The third proportional to 15,921,964 and 34,824,976 is: 76,170,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,964 : 34,824,976 = 34,824,976 : x
  2. Step 2: Convert to fraction form
    15,921,964/34,824,976 = 34,824,976/x
  3. Step 3: Cross multiply
    15,921,964x = 34,824,976 × 34,824,976
  4. Step 4: Simplify right side
    15,921,964x = 1,212,778,953,400,576
  5. Step 5: Solve for x
    x = 1,212,778,953,400,576/15,921,964
  6. Step 6: Final answer
    x = 76,170,185.63

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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.