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Finding the Third Proportional to 8,610,424 and 18,590,564

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Solution

The third proportional to 8,610,424 and 18,590,564 is: 40,138,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610,424 : 18,590,564 = 18,590,564 : x
  2. Step 2: Convert to fraction form
    8,610,424/18,590,564 = 18,590,564/x
  3. Step 3: Cross multiply
    8,610,424x = 18,590,564 × 18,590,564
  4. Step 4: Simplify right side
    8,610,424x = 345,609,069,838,096
  5. Step 5: Solve for x
    x = 345,609,069,838,096/8,610,424
  6. Step 6: Final answer
    x = 40,138,449.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.