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Finding the Third Proportional to 57,880 and 86,804

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Solution

The third proportional to 57,880 and 86,804 is: 130,182.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,880 : 86,804 = 86,804 : x
  2. Step 2: Convert to fraction form
    57,880/86,804 = 86,804/x
  3. Step 3: Cross multiply
    57,880x = 86,804 × 86,804
  4. Step 4: Simplify right side
    57,880x = 7,534,934,416
  5. Step 5: Solve for x
    x = 7,534,934,416/57,880
  6. Step 6: Final answer
    x = 130,182.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.