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Finding the Third Proportional to 60,020.63 and 128,937

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Solution

The third proportional to 60,020.63 and 128,937 is: 276,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,020.63 : 128,937 = 128,937 : x
  2. Step 2: Convert to fraction form
    60,020.63/128,937 = 128,937/x
  3. Step 3: Cross multiply
    60,020.63x = 128,937 × 128,937
  4. Step 4: Simplify right side
    60,020.63x = 16,624,749,969
  5. Step 5: Solve for x
    x = 16,624,749,969/60,020.63
  6. Step 6: Final answer
    x = 276,983.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.