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Finding the Third Proportional to 58,255 and 79,585

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Solution

The third proportional to 58,255 and 79,585 is: 108,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255 : 79,585 = 79,585 : x
  2. Step 2: Convert to fraction form
    58,255/79,585 = 79,585/x
  3. Step 3: Cross multiply
    58,255x = 79,585 × 79,585
  4. Step 4: Simplify right side
    58,255x = 6,333,772,225
  5. Step 5: Solve for x
    x = 6,333,772,225/58,255
  6. Step 6: Final answer
    x = 108,724.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.