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Finding the Third Proportional to 20,286 and 43,798.50

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Solution

The third proportional to 20,286 and 43,798.50 is: 94,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286 : 43,798.50 = 43,798.50 : x
  2. Step 2: Convert to fraction form
    20,286/43,798.50 = 43,798.50/x
  3. Step 3: Cross multiply
    20,286x = 43,798.50 × 43,798.50
  4. Step 4: Simplify right side
    20,286x = 1,918,308,602.25
  5. Step 5: Solve for x
    x = 1,918,308,602.25/20,286
  6. Step 6: Final answer
    x = 94,563.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.