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Finding the Third Proportional to 76,555,686 and 167,991,726

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Solution

The third proportional to 76,555,686 and 167,991,726 is: 368,636,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,555,686 : 167,991,726 = 167,991,726 : x
  2. Step 2: Convert to fraction form
    76,555,686/167,991,726 = 167,991,726/x
  3. Step 3: Cross multiply
    76,555,686x = 167,991,726 × 167,991,726
  4. Step 4: Simplify right side
    76,555,686x = 28,221,220,004,459,076
  5. Step 5: Solve for x
    x = 28,221,220,004,459,076/76,555,686
  6. Step 6: Final answer
    x = 368,636,498.20

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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.