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Finding the Third Proportional to 8,759,874.09 and 18,867,600.84

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Solution

The third proportional to 8,759,874.09 and 18,867,600.84 is: 40,638,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,874.09 : 18,867,600.84 = 18,867,600.84 : x
  2. Step 2: Convert to fraction form
    8,759,874.09/18,867,600.84 = 18,867,600.84/x
  3. Step 3: Cross multiply
    8,759,874.09x = 18,867,600.84 × 18,867,600.84
  4. Step 4: Simplify right side
    8,759,874.09x = 355,986,361,599,075.69
  5. Step 5: Solve for x
    x = 355,986,361,599,075.69/8,759,874.09
  6. Step 6: Final answer
    x = 40,638,296.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.