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Finding the Third Proportional to 4,078,728 and 8,577,360

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Solution

The third proportional to 4,078,728 and 8,577,360 is: 18,037,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,728 : 8,577,360 = 8,577,360 : x
  2. Step 2: Convert to fraction form
    4,078,728/8,577,360 = 8,577,360/x
  3. Step 3: Cross multiply
    4,078,728x = 8,577,360 × 8,577,360
  4. Step 4: Simplify right side
    4,078,728x = 73,571,104,569,600
  5. Step 5: Solve for x
    x = 73,571,104,569,600/4,078,728
  6. Step 6: Final answer
    x = 18,037,757.01

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.