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Finding the Third Proportional to 128,569,684 and 194,013,798

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Solution

The third proportional to 128,569,684 and 194,013,798 is: 292,770,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,569,684 : 194,013,798 = 194,013,798 : x
  2. Step 2: Convert to fraction form
    128,569,684/194,013,798 = 194,013,798/x
  3. Step 3: Cross multiply
    128,569,684x = 194,013,798 × 194,013,798
  4. Step 4: Simplify right side
    128,569,684x = 37,641,353,814,384,800
  5. Step 5: Solve for x
    x = 37,641,353,814,384,800/128,569,684
  6. Step 6: Final answer
    x = 292,770,057.79

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.