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Finding the Third Proportional to 8,418,686 and 18,182,548

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Solution

The third proportional to 8,418,686 and 18,182,548 is: 39,270,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,686 : 18,182,548 = 18,182,548 : x
  2. Step 2: Convert to fraction form
    8,418,686/18,182,548 = 18,182,548/x
  3. Step 3: Cross multiply
    8,418,686x = 18,182,548 × 18,182,548
  4. Step 4: Simplify right side
    8,418,686x = 330,605,051,772,304
  5. Step 5: Solve for x
    x = 330,605,051,772,304/8,418,686
  6. Step 6: Final answer
    x = 39,270,386.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.