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Finding the Third Proportional to 30,374,670 and 66,661,530

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Solution

The third proportional to 30,374,670 and 66,661,530 is: 146,298,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374,670 : 66,661,530 = 66,661,530 : x
  2. Step 2: Convert to fraction form
    30,374,670/66,661,530 = 66,661,530/x
  3. Step 3: Cross multiply
    30,374,670x = 66,661,530 × 66,661,530
  4. Step 4: Simplify right side
    30,374,670x = 4,443,759,581,940,900
  5. Step 5: Solve for x
    x = 4,443,759,581,940,900/30,374,670
  6. Step 6: Final answer
    x = 146,298,201.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.