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Finding the Third Proportional to 58,457.25 and 126,243

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Solution

The third proportional to 58,457.25 and 126,243 is: 272,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,457.25 : 126,243 = 126,243 : x
  2. Step 2: Convert to fraction form
    58,457.25/126,243 = 126,243/x
  3. Step 3: Cross multiply
    58,457.25x = 126,243 × 126,243
  4. Step 4: Simplify right side
    58,457.25x = 15,937,295,049
  5. Step 5: Solve for x
    x = 15,937,295,049/58,457.25
  6. Step 6: Final answer
    x = 272,631.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.