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Finding the Third Proportional to 18,798 and 29,272

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Solution

The third proportional to 18,798 and 29,272 is: 45,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798 : 29,272 = 29,272 : x
  2. Step 2: Convert to fraction form
    18,798/29,272 = 29,272/x
  3. Step 3: Cross multiply
    18,798x = 29,272 × 29,272
  4. Step 4: Simplify right side
    18,798x = 856,849,984
  5. Step 5: Solve for x
    x = 856,849,984/18,798
  6. Step 6: Final answer
    x = 45,581.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.