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Finding the Third Proportional to 14,343 and 21,043.50

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Solution

The third proportional to 14,343 and 21,043.50 is: 30,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343 : 21,043.50 = 21,043.50 : x
  2. Step 2: Convert to fraction form
    14,343/21,043.50 = 21,043.50/x
  3. Step 3: Cross multiply
    14,343x = 21,043.50 × 21,043.50
  4. Step 4: Simplify right side
    14,343x = 442,828,892.25
  5. Step 5: Solve for x
    x = 442,828,892.25/14,343
  6. Step 6: Final answer
    x = 30,874.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.