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Finding the Third Proportional to 190,356,334 and 256,835,388

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Solution

The third proportional to 190,356,334 and 256,835,388 is: 346,531,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356,334 : 256,835,388 = 256,835,388 : x
  2. Step 2: Convert to fraction form
    190,356,334/256,835,388 = 256,835,388/x
  3. Step 3: Cross multiply
    190,356,334x = 256,835,388 × 256,835,388
  4. Step 4: Simplify right side
    190,356,334x = 65,964,416,529,110,544
  5. Step 5: Solve for x
    x = 65,964,416,529,110,544/190,356,334
  6. Step 6: Final answer
    x = 346,531,240.35

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.