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Finding the Third Proportional to 30,991,066.13 and 67,562,270.44

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Solution

The third proportional to 30,991,066.13 and 67,562,270.44 is: 147,289,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991,066.13 : 67,562,270.44 = 67,562,270.44 : x
  2. Step 2: Convert to fraction form
    30,991,066.13/67,562,270.44 = 67,562,270.44/x
  3. Step 3: Cross multiply
    30,991,066.13x = 67,562,270.44 × 67,562,270.44
  4. Step 4: Simplify right side
    30,991,066.13x = 4,564,660,386,669,886
  5. Step 5: Solve for x
    x = 4,564,660,386,669,886/30,991,066.13
  6. Step 6: Final answer
    x = 147,289,556.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.