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Finding the Third Proportional to 15,587 and 21,924.50

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Solution

The third proportional to 15,587 and 21,924.50 is: 30,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587 : 21,924.50 = 21,924.50 : x
  2. Step 2: Convert to fraction form
    15,587/21,924.50 = 21,924.50/x
  3. Step 3: Cross multiply
    15,587x = 21,924.50 × 21,924.50
  4. Step 4: Simplify right side
    15,587x = 480,683,700.25
  5. Step 5: Solve for x
    x = 480,683,700.25/15,587
  6. Step 6: Final answer
    x = 30,838.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.