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Finding the Third Proportional to 1,805,342,649 and 3,931,186,824

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Solution

The third proportional to 1,805,342,649 and 3,931,186,824 is: 8,560,275,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,342,649 : 3,931,186,824 = 3,931,186,824 : x
  2. Step 2: Convert to fraction form
    1,805,342,649/3,931,186,824 = 3,931,186,824/x
  3. Step 3: Cross multiply
    1,805,342,649x = 3,931,186,824 × 3,931,186,824
  4. Step 4: Simplify right side
    1,805,342,649x = 15,454,229,845,191,206,912
  5. Step 5: Solve for x
    x = 15,454,229,845,191,206,912/1,805,342,649
  6. Step 6: Final answer
    x = 8,560,275,166.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.