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Finding the Third Proportional to 59,920,622 and 128,942,169

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Solution

The third proportional to 59,920,622 and 128,942,169 is: 277,468,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,920,622 : 128,942,169 = 128,942,169 : x
  2. Step 2: Convert to fraction form
    59,920,622/128,942,169 = 128,942,169/x
  3. Step 3: Cross multiply
    59,920,622x = 128,942,169 × 128,942,169
  4. Step 4: Simplify right side
    59,920,622x = 16,626,082,946,424,560
  5. Step 5: Solve for x
    x = 16,626,082,946,424,560/59,920,622
  6. Step 6: Final answer
    x = 277,468,463.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.