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Finding the Third Proportional to 18,525,640,321 and 28,625,185,729.50

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Solution

The third proportional to 18,525,640,321 and 28,625,185,729.50 is: 44,230,657,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,640,321 : 28,625,185,729.50 = 28,625,185,729.50 : x
  2. Step 2: Convert to fraction form
    18,525,640,321/28,625,185,729.50 = 28,625,185,729.50/x
  3. Step 3: Cross multiply
    18,525,640,321x = 28,625,185,729.50 × 28,625,185,729.50
  4. Step 4: Simplify right side
    18,525,640,321x = 819,401,258,048,370,507,776
  5. Step 5: Solve for x
    x = 819,401,258,048,370,507,776/18,525,640,321
  6. Step 6: Final answer
    x = 44,230,657,826.14

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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.