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Finding the Third Proportional to 18,190,880 and 39,134,464

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Solution

The third proportional to 18,190,880 and 39,134,464 is: 84,190,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,880 : 39,134,464 = 39,134,464 : x
  2. Step 2: Convert to fraction form
    18,190,880/39,134,464 = 39,134,464/x
  3. Step 3: Cross multiply
    18,190,880x = 39,134,464 × 39,134,464
  4. Step 4: Simplify right side
    18,190,880x = 1,531,506,272,567,296
  5. Step 5: Solve for x
    x = 1,531,506,272,567,296/18,190,880
  6. Step 6: Final answer
    x = 84,190,884.25

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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.