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Finding the Third Proportional to 30,883,398 and 66,553,446

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Solution

The third proportional to 30,883,398 and 66,553,446 is: 143,422,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883,398 : 66,553,446 = 66,553,446 : x
  2. Step 2: Convert to fraction form
    30,883,398/66,553,446 = 66,553,446/x
  3. Step 3: Cross multiply
    30,883,398x = 66,553,446 × 66,553,446
  4. Step 4: Simplify right side
    30,883,398x = 4,429,361,174,474,916
  5. Step 5: Solve for x
    x = 4,429,361,174,474,916/30,883,398
  6. Step 6: Final answer
    x = 143,422,079.87

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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.