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Finding the Third Proportional to 532.88 and 1,153.72

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Solution

The third proportional to 532.88 and 1,153.72 is: 2,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.88 : 1,153.72 = 1,153.72 : x
  2. Step 2: Convert to fraction form
    532.88/1,153.72 = 1,153.72/x
  3. Step 3: Cross multiply
    532.88x = 1,153.72 × 1,153.72
  4. Step 4: Simplify right side
    532.88x = 1,331,075.97
  5. Step 5: Solve for x
    x = 1,331,075.97/532.88
  6. Step 6: Final answer
    x = 2,497.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.