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Finding the Third Proportional to 8,539,390 and 18,594,984

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Solution

The third proportional to 8,539,390 and 18,594,984 is: 40,491,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,390 : 18,594,984 = 18,594,984 : x
  2. Step 2: Convert to fraction form
    8,539,390/18,594,984 = 18,594,984/x
  3. Step 3: Cross multiply
    8,539,390x = 18,594,984 × 18,594,984
  4. Step 4: Simplify right side
    8,539,390x = 345,773,429,960,256
  5. Step 5: Solve for x
    x = 345,773,429,960,256/8,539,390
  6. Step 6: Final answer
    x = 40,491,584.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.