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Finding the Third Proportional to 79,937 and 117,313.50

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Solution

The third proportional to 79,937 and 117,313.50 is: 172,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,937 : 117,313.50 = 117,313.50 : x
  2. Step 2: Convert to fraction form
    79,937/117,313.50 = 117,313.50/x
  3. Step 3: Cross multiply
    79,937x = 117,313.50 × 117,313.50
  4. Step 4: Simplify right side
    79,937x = 13,762,457,282.25
  5. Step 5: Solve for x
    x = 13,762,457,282.25/79,937
  6. Step 6: Final answer
    x = 172,166.30

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.