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Finding the Third Proportional to 30,588,208 and 66,741,440

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Solution

The third proportional to 30,588,208 and 66,741,440 is: 145,625,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,208 : 66,741,440 = 66,741,440 : x
  2. Step 2: Convert to fraction form
    30,588,208/66,741,440 = 66,741,440/x
  3. Step 3: Cross multiply
    30,588,208x = 66,741,440 × 66,741,440
  4. Step 4: Simplify right side
    30,588,208x = 4,454,419,813,273,600
  5. Step 5: Solve for x
    x = 4,454,419,813,273,600/30,588,208
  6. Step 6: Final answer
    x = 145,625,393.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.