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Finding the Third Proportional to 4,996,690,636 and 7,761,891,968

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Solution

The third proportional to 4,996,690,636 and 7,761,891,968 is: 12,057,373,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996,690,636 : 7,761,891,968 = 7,761,891,968 : x
  2. Step 2: Convert to fraction form
    4,996,690,636/7,761,891,968 = 7,761,891,968/x
  3. Step 3: Cross multiply
    4,996,690,636x = 7,761,891,968 × 7,761,891,968
  4. Step 4: Simplify right side
    4,996,690,636x = 60,246,966,922,902,913,024
  5. Step 5: Solve for x
    x = 60,246,966,922,902,913,024/4,996,690,636
  6. Step 6: Final answer
    x = 12,057,373,832.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.