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Finding the Third Proportional to 401,478,792 and 613,757,476

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Solution

The third proportional to 401,478,792 and 613,757,476 is: 938,276,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,478,792 : 613,757,476 = 613,757,476 : x
  2. Step 2: Convert to fraction form
    401,478,792/613,757,476 = 613,757,476/x
  3. Step 3: Cross multiply
    401,478,792x = 613,757,476 × 613,757,476
  4. Step 4: Simplify right side
    401,478,792x = 376,698,239,345,890,560
  5. Step 5: Solve for x
    x = 376,698,239,345,890,560/401,478,792
  6. Step 6: Final answer
    x = 938,276,807.77

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.