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Finding the Third Proportional to 8,971,816 and 19,458,008

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Solution

The third proportional to 8,971,816 and 19,458,008 is: 42,200,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,816 : 19,458,008 = 19,458,008 : x
  2. Step 2: Convert to fraction form
    8,971,816/19,458,008 = 19,458,008/x
  3. Step 3: Cross multiply
    8,971,816x = 19,458,008 × 19,458,008
  4. Step 4: Simplify right side
    8,971,816x = 378,614,075,328,064
  5. Step 5: Solve for x
    x = 378,614,075,328,064/8,971,816
  6. Step 6: Final answer
    x = 42,200,383.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.