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Finding the Third Proportional to 45,918 and 100,572

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Solution

The third proportional to 45,918 and 100,572 is: 220,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918 : 100,572 = 100,572 : x
  2. Step 2: Convert to fraction form
    45,918/100,572 = 100,572/x
  3. Step 3: Cross multiply
    45,918x = 100,572 × 100,572
  4. Step 4: Simplify right side
    45,918x = 10,114,727,184
  5. Step 5: Solve for x
    x = 10,114,727,184/45,918
  6. Step 6: Final answer
    x = 220,278.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.