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Finding the Third Proportional to 1,215,959,346 and 2,465,754,180

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Solution

The third proportional to 1,215,959,346 and 2,465,754,180 is: 5,000,120,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,959,346 : 2,465,754,180 = 2,465,754,180 : x
  2. Step 2: Convert to fraction form
    1,215,959,346/2,465,754,180 = 2,465,754,180/x
  3. Step 3: Cross multiply
    1,215,959,346x = 2,465,754,180 × 2,465,754,180
  4. Step 4: Simplify right side
    1,215,959,346x = 6,079,943,676,187,472,896
  5. Step 5: Solve for x
    x = 6,079,943,676,187,472,896/1,215,959,346
  6. Step 6: Final answer
    x = 5,000,120,847.94

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.