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Finding the Third Proportional to 1,539,692,280 and 2,224,589,940

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Solution

The third proportional to 1,539,692,280 and 2,224,589,940 is: 3,214,148,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,692,280 : 2,224,589,940 = 2,224,589,940 : x
  2. Step 2: Convert to fraction form
    1,539,692,280/2,224,589,940 = 2,224,589,940/x
  3. Step 3: Cross multiply
    1,539,692,280x = 2,224,589,940 × 2,224,589,940
  4. Step 4: Simplify right side
    1,539,692,280x = 4,948,800,401,149,203,456
  5. Step 5: Solve for x
    x = 4,948,800,401,149,203,456/1,539,692,280
  6. Step 6: Final answer
    x = 3,214,148,999.40

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.