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Finding the Third Proportional to 1,553,667,772 and 3,328,946,440

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Solution

The third proportional to 1,553,667,772 and 3,328,946,440 is: 7,132,724,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,667,772 : 3,328,946,440 = 3,328,946,440 : x
  2. Step 2: Convert to fraction form
    1,553,667,772/3,328,946,440 = 3,328,946,440/x
  3. Step 3: Cross multiply
    1,553,667,772x = 3,328,946,440 × 3,328,946,440
  4. Step 4: Simplify right side
    1,553,667,772x = 11,081,884,400,388,673,536
  5. Step 5: Solve for x
    x = 11,081,884,400,388,673,536/1,553,667,772
  6. Step 6: Final answer
    x = 7,132,724,640.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.