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Finding the Third Proportional to 30,246,066 and 66,370,788

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Solution

The third proportional to 30,246,066 and 66,370,788 is: 145,641,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246,066 : 66,370,788 = 66,370,788 : x
  2. Step 2: Convert to fraction form
    30,246,066/66,370,788 = 66,370,788/x
  3. Step 3: Cross multiply
    30,246,066x = 66,370,788 × 66,370,788
  4. Step 4: Simplify right side
    30,246,066x = 4,405,081,499,740,944
  5. Step 5: Solve for x
    x = 4,405,081,499,740,944/30,246,066
  6. Step 6: Final answer
    x = 145,641,469.53

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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.