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Finding the Third Proportional to 91,961,486 and 153,262,965

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Solution

The third proportional to 91,961,486 and 153,262,965 is: 255,427,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,961,486 : 153,262,965 = 153,262,965 : x
  2. Step 2: Convert to fraction form
    91,961,486/153,262,965 = 153,262,965/x
  3. Step 3: Cross multiply
    91,961,486x = 153,262,965 × 153,262,965
  4. Step 4: Simplify right side
    91,961,486x = 23,489,536,440,591,224
  5. Step 5: Solve for x
    x = 23,489,536,440,591,224/91,961,486
  6. Step 6: Final answer
    x = 255,427,978.19

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.