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Finding the Third Proportional to 480 and 1,051.13

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Solution

The third proportional to 480 and 1,051.13 is: 2,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480 : 1,051.13 = 1,051.13 : x
  2. Step 2: Convert to fraction form
    480/1,051.13 = 1,051.13/x
  3. Step 3: Cross multiply
    480x = 1,051.13 × 1,051.13
  4. Step 4: Simplify right side
    480x = 1,104,863.77
  5. Step 5: Solve for x
    x = 1,104,863.77/480
  6. Step 6: Final answer
    x = 2,301.80

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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.