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Finding the Third Proportional to 67,351,022 and 145,479,580

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Solution

The third proportional to 67,351,022 and 145,479,580 is: 314,238,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,351,022 : 145,479,580 = 145,479,580 : x
  2. Step 2: Convert to fraction form
    67,351,022/145,479,580 = 145,479,580/x
  3. Step 3: Cross multiply
    67,351,022x = 145,479,580 × 145,479,580
  4. Step 4: Simplify right side
    67,351,022x = 21,164,308,196,976,400
  5. Step 5: Solve for x
    x = 21,164,308,196,976,400/67,351,022
  6. Step 6: Final answer
    x = 314,238,857.38

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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.