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Finding the Third Proportional to 14,988.50 and 21,590

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Solution

The third proportional to 14,988.50 and 21,590 is: 31,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.50 : 21,590 = 21,590 : x
  2. Step 2: Convert to fraction form
    14,988.50/21,590 = 21,590/x
  3. Step 3: Cross multiply
    14,988.50x = 21,590 × 21,590
  4. Step 4: Simplify right side
    14,988.50x = 466,128,100
  5. Step 5: Solve for x
    x = 466,128,100/14,988.50
  6. Step 6: Final answer
    x = 31,099.05

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.