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Finding the Third Proportional to 21,167,888 and 29,810,051

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Solution

The third proportional to 21,167,888 and 29,810,051 is: 41,980,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,888 : 29,810,051 = 29,810,051 : x
  2. Step 2: Convert to fraction form
    21,167,888/29,810,051 = 29,810,051/x
  3. Step 3: Cross multiply
    21,167,888x = 29,810,051 × 29,810,051
  4. Step 4: Simplify right side
    21,167,888x = 888,639,140,622,601
  5. Step 5: Solve for x
    x = 888,639,140,622,601/21,167,888
  6. Step 6: Final answer
    x = 41,980,529.22

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.