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Finding the Third Proportional to 58,662 and 128,583

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Solution

The third proportional to 58,662 and 128,583 is: 281,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,662 : 128,583 = 128,583 : x
  2. Step 2: Convert to fraction form
    58,662/128,583 = 128,583/x
  3. Step 3: Cross multiply
    58,662x = 128,583 × 128,583
  4. Step 4: Simplify right side
    58,662x = 16,533,587,889
  5. Step 5: Solve for x
    x = 16,533,587,889/58,662
  6. Step 6: Final answer
    x = 281,844.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.