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Finding the Third Proportional to 58,592 and 128,288

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Solution

The third proportional to 58,592 and 128,288 is: 280,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,592 : 128,288 = 128,288 : x
  2. Step 2: Convert to fraction form
    58,592/128,288 = 128,288/x
  3. Step 3: Cross multiply
    58,592x = 128,288 × 128,288
  4. Step 4: Simplify right side
    58,592x = 16,457,810,944
  5. Step 5: Solve for x
    x = 16,457,810,944/58,592
  6. Step 6: Final answer
    x = 280,888.36

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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.