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Finding the Third Proportional to 2,643,909,543 and 3,999,868,515

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Solution

The third proportional to 2,643,909,543 and 3,999,868,515 is: 6,051,246,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,909,543 : 3,999,868,515 = 3,999,868,515 : x
  2. Step 2: Convert to fraction form
    2,643,909,543/3,999,868,515 = 3,999,868,515/x
  3. Step 3: Cross multiply
    2,643,909,543x = 3,999,868,515 × 3,999,868,515
  4. Step 4: Simplify right side
    2,643,909,543x = 15,998,948,137,288,304,640
  5. Step 5: Solve for x
    x = 15,998,948,137,288,304,640/2,643,909,543
  6. Step 6: Final answer
    x = 6,051,246,412.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.