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Finding the Third Proportional to 979,259,136 and 2,150,896,920

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Solution

The third proportional to 979,259,136 and 2,150,896,920 is: 4,724,344,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,259,136 : 2,150,896,920 = 2,150,896,920 : x
  2. Step 2: Convert to fraction form
    979,259,136/2,150,896,920 = 2,150,896,920/x
  3. Step 3: Cross multiply
    979,259,136x = 2,150,896,920 × 2,150,896,920
  4. Step 4: Simplify right side
    979,259,136x = 4,626,357,560,465,486,848
  5. Step 5: Solve for x
    x = 4,626,357,560,465,486,848/979,259,136
  6. Step 6: Final answer
    x = 4,724,344,548.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.