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Finding the Third Proportional to 1,553,667,771 and 3,328,946,438

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Solution

The third proportional to 1,553,667,771 and 3,328,946,438 is: 7,132,724,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,667,771 : 3,328,946,438 = 3,328,946,438 : x
  2. Step 2: Convert to fraction form
    1,553,667,771/3,328,946,438 = 3,328,946,438/x
  3. Step 3: Cross multiply
    1,553,667,771x = 3,328,946,438 × 3,328,946,438
  4. Step 4: Simplify right side
    1,553,667,771x = 11,081,884,387,072,888,832
  5. Step 5: Solve for x
    x = 11,081,884,387,072,888,832/1,553,667,771
  6. Step 6: Final answer
    x = 7,132,724,636.45

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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.