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Finding the Third Proportional to 18,525,640,858 and 28,625,186,642

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Solution

The third proportional to 18,525,640,858 and 28,625,186,642 is: 44,230,659,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,640,858 : 28,625,186,642 = 28,625,186,642 : x
  2. Step 2: Convert to fraction form
    18,525,640,858/28,625,186,642 = 28,625,186,642/x
  3. Step 3: Cross multiply
    18,525,640,858x = 28,625,186,642 × 28,625,186,642
  4. Step 4: Simplify right side
    18,525,640,858x = 819,401,310,289,335,287,808
  5. Step 5: Solve for x
    x = 819,401,310,289,335,287,808/18,525,640,858
  6. Step 6: Final answer
    x = 44,230,659,363.96

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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.