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Finding the Third Proportional to 21,260,787,975 and 45,554,136,874

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Solution

The third proportional to 21,260,787,975 and 45,554,136,874 is: 97,605,948,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,787,975 : 45,554,136,874 = 45,554,136,874 : x
  2. Step 2: Convert to fraction form
    21,260,787,975/45,554,136,874 = 45,554,136,874/x
  3. Step 3: Cross multiply
    21,260,787,975x = 45,554,136,874 × 45,554,136,874
  4. Step 4: Simplify right side
    21,260,787,975x = 2,075,179,386,335,126,618,112
  5. Step 5: Solve for x
    x = 2,075,179,386,335,126,618,112/21,260,787,975
  6. Step 6: Final answer
    x = 97,605,948,978.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.