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Finding the Third Proportional to 8,820,903 and 18,918,103.50

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Solution

The third proportional to 8,820,903 and 18,918,103.50 is: 40,573,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820,903 : 18,918,103.50 = 18,918,103.50 : x
  2. Step 2: Convert to fraction form
    8,820,903/18,918,103.50 = 18,918,103.50/x
  3. Step 3: Cross multiply
    8,820,903x = 18,918,103.50 × 18,918,103.50
  4. Step 4: Simplify right side
    8,820,903x = 357,894,640,036,712.25
  5. Step 5: Solve for x
    x = 357,894,640,036,712.25/8,820,903
  6. Step 6: Final answer
    x = 40,573,469.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.