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Finding the Third Proportional to 20,329,489.16 and 30,970,662.29

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Solution

The third proportional to 20,329,489.16 and 30,970,662.29 is: 47,181,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329,489.16 : 30,970,662.29 = 30,970,662.29 : x
  2. Step 2: Convert to fraction form
    20,329,489.16/30,970,662.29 = 30,970,662.29/x
  3. Step 3: Cross multiply
    20,329,489.16x = 30,970,662.29 × 30,970,662.29
  4. Step 4: Simplify right side
    20,329,489.16x = 959,181,922,865,070
  5. Step 5: Solve for x
    x = 959,181,922,865,070/20,329,489.16
  6. Step 6: Final answer
    x = 47,181,801.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.