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Finding the Third Proportional to 33,316 and 71,572

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Solution

The third proportional to 33,316 and 71,572 is: 153,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316 : 71,572 = 71,572 : x
  2. Step 2: Convert to fraction form
    33,316/71,572 = 71,572/x
  3. Step 3: Cross multiply
    33,316x = 71,572 × 71,572
  4. Step 4: Simplify right side
    33,316x = 5,122,551,184
  5. Step 5: Solve for x
    x = 5,122,551,184/33,316
  6. Step 6: Final answer
    x = 153,756.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.