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Finding the Third Proportional to 3,920,522.61 and 8,492,514.93

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Solution

The third proportional to 3,920,522.61 and 8,492,514.93 is: 18,396,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,522.61 : 8,492,514.93 = 8,492,514.93 : x
  2. Step 2: Convert to fraction form
    3,920,522.61/8,492,514.93 = 8,492,514.93/x
  3. Step 3: Cross multiply
    3,920,522.61x = 8,492,514.93 × 8,492,514.93
  4. Step 4: Simplify right side
    3,920,522.61x = 72,122,809,764,619.88
  5. Step 5: Solve for x
    x = 72,122,809,764,619.88/3,920,522.61
  6. Step 6: Final answer
    x = 18,396,223.41

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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.