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Finding the Third Proportional to 58,260 and 87,684

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Solution

The third proportional to 58,260 and 87,684 is: 131,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,260 : 87,684 = 87,684 : x
  2. Step 2: Convert to fraction form
    58,260/87,684 = 87,684/x
  3. Step 3: Cross multiply
    58,260x = 87,684 × 87,684
  4. Step 4: Simplify right side
    58,260x = 7,688,483,856
  5. Step 5: Solve for x
    x = 7,688,483,856/58,260
  6. Step 6: Final answer
    x = 131,968.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.