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Finding the Third Proportional to 111,277,322 and 239,008,636

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Solution

The third proportional to 111,277,322 and 239,008,636 is: 513,358,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277,322 : 239,008,636 = 239,008,636 : x
  2. Step 2: Convert to fraction form
    111,277,322/239,008,636 = 239,008,636/x
  3. Step 3: Cross multiply
    111,277,322x = 239,008,636 × 239,008,636
  4. Step 4: Simplify right side
    111,277,322x = 57,125,128,082,580,496
  5. Step 5: Solve for x
    x = 57,125,128,082,580,496/111,277,322
  6. Step 6: Final answer
    x = 513,358,221.21

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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.