Home / 190,356,351.75-256,835,416.50

Finding the Third Proportional to 190,356,351.75 and 256,835,416.50

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Solution

The third proportional to 190,356,351.75 and 256,835,416.50 is: 346,531,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356,351.75 : 256,835,416.50 = 256,835,416.50 : x
  2. Step 2: Convert to fraction form
    190,356,351.75/256,835,416.50 = 256,835,416.50/x
  3. Step 3: Cross multiply
    190,356,351.75x = 256,835,416.50 × 256,835,416.50
  4. Step 4: Simplify right side
    190,356,351.75x = 65,964,431,168,728,472
  5. Step 5: Solve for x
    x = 65,964,431,168,728,472/190,356,351.75
  6. Step 6: Final answer
    x = 346,531,284.94

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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.