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Finding the Third Proportional to 76,888,086 and 168,380,955

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Solution

The third proportional to 76,888,086 and 168,380,955 is: 368,745,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,888,086 : 168,380,955 = 168,380,955 : x
  2. Step 2: Convert to fraction form
    76,888,086/168,380,955 = 168,380,955/x
  3. Step 3: Cross multiply
    76,888,086x = 168,380,955 × 168,380,955
  4. Step 4: Simplify right side
    76,888,086x = 28,352,146,006,712,024
  5. Step 5: Solve for x
    x = 28,352,146,006,712,024/76,888,086
  6. Step 6: Final answer
    x = 368,745,633.84

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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.