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Finding the Third Proportional to 4,721,808 and 10,166,022

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Solution

The third proportional to 4,721,808 and 10,166,022 is: 21,887,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,808 : 10,166,022 = 10,166,022 : x
  2. Step 2: Convert to fraction form
    4,721,808/10,166,022 = 10,166,022/x
  3. Step 3: Cross multiply
    4,721,808x = 10,166,022 × 10,166,022
  4. Step 4: Simplify right side
    4,721,808x = 103,348,003,304,484
  5. Step 5: Solve for x
    x = 103,348,003,304,484/4,721,808
  6. Step 6: Final answer
    x = 21,887,379.43

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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.