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Finding the Third Proportional to 58,416 and 127,644

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Solution

The third proportional to 58,416 and 127,644 is: 278,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,416 : 127,644 = 127,644 : x
  2. Step 2: Convert to fraction form
    58,416/127,644 = 127,644/x
  3. Step 3: Cross multiply
    58,416x = 127,644 × 127,644
  4. Step 4: Simplify right side
    58,416x = 16,292,990,736
  5. Step 5: Solve for x
    x = 16,292,990,736/58,416
  6. Step 6: Final answer
    x = 278,913.15

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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.