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Finding the Third Proportional to 7,890,381 and 16,999,650

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Solution

The third proportional to 7,890,381 and 16,999,650 is: 36,625,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,381 : 16,999,650 = 16,999,650 : x
  2. Step 2: Convert to fraction form
    7,890,381/16,999,650 = 16,999,650/x
  3. Step 3: Cross multiply
    7,890,381x = 16,999,650 × 16,999,650
  4. Step 4: Simplify right side
    7,890,381x = 288,988,100,122,500
  5. Step 5: Solve for x
    x = 288,988,100,122,500/7,890,381
  6. Step 6: Final answer
    x = 36,625,367.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.