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Finding the Third Proportional to 56,457 and 82,683

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Solution

The third proportional to 56,457 and 82,683 is: 121,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,457 : 82,683 = 82,683 : x
  2. Step 2: Convert to fraction form
    56,457/82,683 = 82,683/x
  3. Step 3: Cross multiply
    56,457x = 82,683 × 82,683
  4. Step 4: Simplify right side
    56,457x = 6,836,478,489
  5. Step 5: Solve for x
    x = 6,836,478,489/56,457
  6. Step 6: Final answer
    x = 121,091.78

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.