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Finding the Third Proportional to 58,288 and 127,784

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Solution

The third proportional to 58,288 and 127,784 is: 280,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,288 : 127,784 = 127,784 : x
  2. Step 2: Convert to fraction form
    58,288/127,784 = 127,784/x
  3. Step 3: Cross multiply
    58,288x = 127,784 × 127,784
  4. Step 4: Simplify right side
    58,288x = 16,328,750,656
  5. Step 5: Solve for x
    x = 16,328,750,656/58,288
  6. Step 6: Final answer
    x = 280,139.15

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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.