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Finding the Third Proportional to 9,867,215,939 and 21,307,094,971

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Solution

The third proportional to 9,867,215,939 and 21,307,094,971 is: 46,010,171,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867,215,939 : 21,307,094,971 = 21,307,094,971 : x
  2. Step 2: Convert to fraction form
    9,867,215,939/21,307,094,971 = 21,307,094,971/x
  3. Step 3: Cross multiply
    9,867,215,939x = 21,307,094,971 × 21,307,094,971
  4. Step 4: Simplify right side
    9,867,215,939x = 453,992,296,103,213,465,600
  5. Step 5: Solve for x
    x = 453,992,296,103,213,465,600/9,867,215,939
  6. Step 6: Final answer
    x = 46,010,171,350.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.