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Finding the Third Proportional to 57,457,117 and 80,623,708

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Solution

The third proportional to 57,457,117 and 80,623,708 is: 113,131,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457,117 : 80,623,708 = 80,623,708 : x
  2. Step 2: Convert to fraction form
    57,457,117/80,623,708 = 80,623,708/x
  3. Step 3: Cross multiply
    57,457,117x = 80,623,708 × 80,623,708
  4. Step 4: Simplify right side
    57,457,117x = 6,500,182,291,669,264
  5. Step 5: Solve for x
    x = 6,500,182,291,669,264/57,457,117
  6. Step 6: Final answer
    x = 113,131,020.68

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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.