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Finding the Third Proportional to 87,723,464 and 190,091,080

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Solution

The third proportional to 87,723,464 and 190,091,080 is: 411,915,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723,464 : 190,091,080 = 190,091,080 : x
  2. Step 2: Convert to fraction form
    87,723,464/190,091,080 = 190,091,080/x
  3. Step 3: Cross multiply
    87,723,464x = 190,091,080 × 190,091,080
  4. Step 4: Simplify right side
    87,723,464x = 36,134,618,695,566,400
  5. Step 5: Solve for x
    x = 36,134,618,695,566,400/87,723,464
  6. Step 6: Final answer
    x = 411,915,091.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.