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Finding the Third Proportional to 7,891,567 and 18,438,260

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Solution

The third proportional to 7,891,567 and 18,438,260 is: 43,080,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,567 : 18,438,260 = 18,438,260 : x
  2. Step 2: Convert to fraction form
    7,891,567/18,438,260 = 18,438,260/x
  3. Step 3: Cross multiply
    7,891,567x = 18,438,260 × 18,438,260
  4. Step 4: Simplify right side
    7,891,567x = 339,969,431,827,600
  5. Step 5: Solve for x
    x = 339,969,431,827,600/7,891,567
  6. Step 6: Final answer
    x = 43,080,091.93

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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.