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Finding the Third Proportional to 2,636,645,472 and 3,988,902,672

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Solution

The third proportional to 2,636,645,472 and 3,988,902,672 is: 6,034,692,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,645,472 : 3,988,902,672 = 3,988,902,672 : x
  2. Step 2: Convert to fraction form
    2,636,645,472/3,988,902,672 = 3,988,902,672/x
  3. Step 3: Cross multiply
    2,636,645,472x = 3,988,902,672 × 3,988,902,672
  4. Step 4: Simplify right side
    2,636,645,472x = 15,911,344,526,688,739,328
  5. Step 5: Solve for x
    x = 15,911,344,526,688,739,328/2,636,645,472
  6. Step 6: Final answer
    x = 6,034,692,451.32

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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.