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Finding the Third Proportional to 28,490,640 and 44,143,390

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Solution

The third proportional to 28,490,640 and 44,143,390 is: 68,395,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,640 : 44,143,390 = 44,143,390 : x
  2. Step 2: Convert to fraction form
    28,490,640/44,143,390 = 44,143,390/x
  3. Step 3: Cross multiply
    28,490,640x = 44,143,390 × 44,143,390
  4. Step 4: Simplify right side
    28,490,640x = 1,948,638,880,692,100
  5. Step 5: Solve for x
    x = 1,948,638,880,692,100/28,490,640
  6. Step 6: Final answer
    x = 68,395,756.67

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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.