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Finding the Third Proportional to 1,582.50 and 3,358

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Solution

The third proportional to 1,582.50 and 3,358 is: 7,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.50 : 3,358 = 3,358 : x
  2. Step 2: Convert to fraction form
    1,582.50/3,358 = 3,358/x
  3. Step 3: Cross multiply
    1,582.50x = 3,358 × 3,358
  4. Step 4: Simplify right side
    1,582.50x = 11,276,164
  5. Step 5: Solve for x
    x = 11,276,164/1,582.50
  6. Step 6: Final answer
    x = 7,125.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.