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Finding the Third Proportional to 57,457,129.50 and 80,623,728

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Solution

The third proportional to 57,457,129.50 and 80,623,728 is: 113,131,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457,129.50 : 80,623,728 = 80,623,728 : x
  2. Step 2: Convert to fraction form
    57,457,129.50/80,623,728 = 80,623,728/x
  3. Step 3: Cross multiply
    57,457,129.50x = 80,623,728 × 80,623,728
  4. Step 4: Simplify right side
    57,457,129.50x = 6,500,185,516,617,984
  5. Step 5: Solve for x
    x = 6,500,185,516,617,984/57,457,129.50
  6. Step 6: Final answer
    x = 113,131,052.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.