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Finding the Third Proportional to 45,200 and 64,572

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Solution

The third proportional to 45,200 and 64,572 is: 92,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200 : 64,572 = 64,572 : x
  2. Step 2: Convert to fraction form
    45,200/64,572 = 64,572/x
  3. Step 3: Cross multiply
    45,200x = 64,572 × 64,572
  4. Step 4: Simplify right side
    45,200x = 4,169,543,184
  5. Step 5: Solve for x
    x = 4,169,543,184/45,200
  6. Step 6: Final answer
    x = 92,246.53

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.