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Finding the Third Proportional to 18,525,640,320 and 28,625,185,728

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Solution

The third proportional to 18,525,640,320 and 28,625,185,728 is: 44,230,657,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,640,320 : 28,625,185,728 = 28,625,185,728 : x
  2. Step 2: Convert to fraction form
    18,525,640,320/28,625,185,728 = 28,625,185,728/x
  3. Step 3: Cross multiply
    18,525,640,320x = 28,625,185,728 × 28,625,185,728
  4. Step 4: Simplify right side
    18,525,640,320x = 819,401,257,962,494,885,888
  5. Step 5: Solve for x
    x = 819,401,257,962,494,885,888/18,525,640,320
  6. Step 6: Final answer
    x = 44,230,657,823.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.