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Finding the Third Proportional to 76,172,060 and 179,783,818

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Solution

The third proportional to 76,172,060 and 179,783,818 is: 424,331,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172,060 : 179,783,818 = 179,783,818 : x
  2. Step 2: Convert to fraction form
    76,172,060/179,783,818 = 179,783,818/x
  3. Step 3: Cross multiply
    76,172,060x = 179,783,818 × 179,783,818
  4. Step 4: Simplify right side
    76,172,060x = 32,322,221,214,657,124
  5. Step 5: Solve for x
    x = 32,322,221,214,657,124/76,172,060
  6. Step 6: Final answer
    x = 424,331,719.72

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.