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Finding the Third Proportional to 1,370,700,361.50 and 2,118,928,005

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Solution

The third proportional to 1,370,700,361.50 and 2,118,928,005 is: 3,275,592,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,700,361.50 : 2,118,928,005 = 2,118,928,005 : x
  2. Step 2: Convert to fraction form
    1,370,700,361.50/2,118,928,005 = 2,118,928,005/x
  3. Step 3: Cross multiply
    1,370,700,361.50x = 2,118,928,005 × 2,118,928,005
  4. Step 4: Simplify right side
    1,370,700,361.50x = 4,489,855,890,373,280,256
  5. Step 5: Solve for x
    x = 4,489,855,890,373,280,256/1,370,700,361.50
  6. Step 6: Final answer
    x = 3,275,592,548.51

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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.