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Finding the Third Proportional to 8,271,918 and 18,176,607

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Solution

The third proportional to 8,271,918 and 18,176,607 is: 39,941,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,918 : 18,176,607 = 18,176,607 : x
  2. Step 2: Convert to fraction form
    8,271,918/18,176,607 = 18,176,607/x
  3. Step 3: Cross multiply
    8,271,918x = 18,176,607 × 18,176,607
  4. Step 4: Simplify right side
    8,271,918x = 330,389,042,032,449
  5. Step 5: Solve for x
    x = 330,389,042,032,449/8,271,918
  6. Step 6: Final answer
    x = 39,941,044.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.