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Finding the Third Proportional to 118,908,058 and 261,199,521

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Solution

The third proportional to 118,908,058 and 261,199,521 is: 573,764,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908,058 : 261,199,521 = 261,199,521 : x
  2. Step 2: Convert to fraction form
    118,908,058/261,199,521 = 261,199,521/x
  3. Step 3: Cross multiply
    118,908,058x = 261,199,521 × 261,199,521
  4. Step 4: Simplify right side
    118,908,058x = 68,225,189,770,629,440
  5. Step 5: Solve for x
    x = 68,225,189,770,629,440/118,908,058
  6. Step 6: Final answer
    x = 573,764,225.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.