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Finding the Third Proportional to 4,528 and 9,480

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Solution

The third proportional to 4,528 and 9,480 is: 19,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528 : 9,480 = 9,480 : x
  2. Step 2: Convert to fraction form
    4,528/9,480 = 9,480/x
  3. Step 3: Cross multiply
    4,528x = 9,480 × 9,480
  4. Step 4: Simplify right side
    4,528x = 89,870,400
  5. Step 5: Solve for x
    x = 89,870,400/4,528
  6. Step 6: Final answer
    x = 19,847.70

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.