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Finding the Third Proportional to 8,287,220.25 and 18,079,778.25

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Solution

The third proportional to 8,287,220.25 and 18,079,778.25 is: 39,443,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287,220.25 : 18,079,778.25 = 18,079,778.25 : x
  2. Step 2: Convert to fraction form
    8,287,220.25/18,079,778.25 = 18,079,778.25/x
  3. Step 3: Cross multiply
    8,287,220.25x = 18,079,778.25 × 18,079,778.25
  4. Step 4: Simplify right side
    8,287,220.25x = 326,878,381,569,173.06
  5. Step 5: Solve for x
    x = 326,878,381,569,173.06/8,287,220.25
  6. Step 6: Final answer
    x = 39,443,670.10

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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.