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Finding the Third Proportional to 121,708,088 and 270,628,288

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Solution

The third proportional to 121,708,088 and 270,628,288 is: 601,765,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,708,088 : 270,628,288 = 270,628,288 : x
  2. Step 2: Convert to fraction form
    121,708,088/270,628,288 = 270,628,288/x
  3. Step 3: Cross multiply
    121,708,088x = 270,628,288 × 270,628,288
  4. Step 4: Simplify right side
    121,708,088x = 73,239,670,265,810,944
  5. Step 5: Solve for x
    x = 73,239,670,265,810,944/121,708,088
  6. Step 6: Final answer
    x = 601,765,022.11

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.