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Finding the Third Proportional to 3,920,644.50 and 8,492,883

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Solution

The third proportional to 3,920,644.50 and 8,492,883 is: 18,397,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,644.50 : 8,492,883 = 8,492,883 : x
  2. Step 2: Convert to fraction form
    3,920,644.50/8,492,883 = 8,492,883/x
  3. Step 3: Cross multiply
    3,920,644.50x = 8,492,883 × 8,492,883
  4. Step 4: Simplify right side
    3,920,644.50x = 72,129,061,651,689
  5. Step 5: Solve for x
    x = 72,129,061,651,689/3,920,644.50
  6. Step 6: Final answer
    x = 18,397,246.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.