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Finding the Third Proportional to 27,988.50 and 43,335

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Solution

The third proportional to 27,988.50 and 43,335 is: 67,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.50 : 43,335 = 43,335 : x
  2. Step 2: Convert to fraction form
    27,988.50/43,335 = 43,335/x
  3. Step 3: Cross multiply
    27,988.50x = 43,335 × 43,335
  4. Step 4: Simplify right side
    27,988.50x = 1,877,922,225
  5. Step 5: Solve for x
    x = 1,877,922,225/27,988.50
  6. Step 6: Final answer
    x = 67,096.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.