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Finding the Third Proportional to 126,570,220 and 190,192,330

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Solution

The third proportional to 126,570,220 and 190,192,330 is: 285,794,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,570,220 : 190,192,330 = 190,192,330 : x
  2. Step 2: Convert to fraction form
    126,570,220/190,192,330 = 190,192,330/x
  3. Step 3: Cross multiply
    126,570,220x = 190,192,330 × 190,192,330
  4. Step 4: Simplify right side
    126,570,220x = 36,173,122,390,828,896
  5. Step 5: Solve for x
    x = 36,173,122,390,828,896/126,570,220
  6. Step 6: Final answer
    x = 285,794,892.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.