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Finding the Third Proportional to 19,802 and 43,572

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Solution

The third proportional to 19,802 and 43,572 is: 95,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802 : 43,572 = 43,572 : x
  2. Step 2: Convert to fraction form
    19,802/43,572 = 43,572/x
  3. Step 3: Cross multiply
    19,802x = 43,572 × 43,572
  4. Step 4: Simplify right side
    19,802x = 1,898,519,184
  5. Step 5: Solve for x
    x = 1,898,519,184/19,802
  6. Step 6: Final answer
    x = 95,875.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.