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Finding the Third Proportional to 28,897.50 and 43,229

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Solution

The third proportional to 28,897.50 and 43,229 is: 64,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.50 : 43,229 = 43,229 : x
  2. Step 2: Convert to fraction form
    28,897.50/43,229 = 43,229/x
  3. Step 3: Cross multiply
    28,897.50x = 43,229 × 43,229
  4. Step 4: Simplify right side
    28,897.50x = 1,868,746,441
  5. Step 5: Solve for x
    x = 1,868,746,441/28,897.50
  6. Step 6: Final answer
    x = 64,668.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.