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Finding the Third Proportional to 532 and 653.50

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Solution

The third proportional to 532 and 653.50 is: 802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    532 : 653.50 = 653.50 : x
  2. Step 2: Convert to fraction form
    532/653.50 = 653.50/x
  3. Step 3: Cross multiply
    532x = 653.50 × 653.50
  4. Step 4: Simplify right side
    532x = 427,062.25
  5. Step 5: Solve for x
    x = 427,062.25/532
  6. Step 6: Final answer
    x = 802.75

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.