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Finding the Third Proportional to 76,565,474 and 117,686,670

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Solution

The third proportional to 76,565,474 and 117,686,670 is: 180,892,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,565,474 : 117,686,670 = 117,686,670 : x
  2. Step 2: Convert to fraction form
    76,565,474/117,686,670 = 117,686,670/x
  3. Step 3: Cross multiply
    76,565,474x = 117,686,670 × 117,686,670
  4. Step 4: Simplify right side
    76,565,474x = 13,850,152,295,688,900
  5. Step 5: Solve for x
    x = 13,850,152,295,688,900/76,565,474
  6. Step 6: Final answer
    x = 180,892,921.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.