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Finding the Third Proportional to 58,454 and 127,438

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Solution

The third proportional to 58,454 and 127,438 is: 277,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,454 : 127,438 = 127,438 : x
  2. Step 2: Convert to fraction form
    58,454/127,438 = 127,438/x
  3. Step 3: Cross multiply
    58,454x = 127,438 × 127,438
  4. Step 4: Simplify right side
    58,454x = 16,240,443,844
  5. Step 5: Solve for x
    x = 16,240,443,844/58,454
  6. Step 6: Final answer
    x = 277,832.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.