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Finding the Third Proportional to 45,117,440 and 66,856,824

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Solution

The third proportional to 45,117,440 and 66,856,824 is: 99,071,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117,440 : 66,856,824 = 66,856,824 : x
  2. Step 2: Convert to fraction form
    45,117,440/66,856,824 = 66,856,824/x
  3. Step 3: Cross multiply
    45,117,440x = 66,856,824 × 66,856,824
  4. Step 4: Simplify right side
    45,117,440x = 4,469,834,915,366,976
  5. Step 5: Solve for x
    x = 4,469,834,915,366,976/45,117,440
  6. Step 6: Final answer
    x = 99,071,111.20

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.