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Finding the Third Proportional to 7,891,564.50 and 18,438,255

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Solution

The third proportional to 7,891,564.50 and 18,438,255 is: 43,080,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,564.50 : 18,438,255 = 18,438,255 : x
  2. Step 2: Convert to fraction form
    7,891,564.50/18,438,255 = 18,438,255/x
  3. Step 3: Cross multiply
    7,891,564.50x = 18,438,255 × 18,438,255
  4. Step 4: Simplify right side
    7,891,564.50x = 339,969,247,445,025
  5. Step 5: Solve for x
    x = 339,969,247,445,025/7,891,564.50
  6. Step 6: Final answer
    x = 43,080,082.21

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.