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Finding the Third Proportional to 726 and 802.50

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Solution

The third proportional to 726 and 802.50 is: 887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726 : 802.50 = 802.50 : x
  2. Step 2: Convert to fraction form
    726/802.50 = 802.50/x
  3. Step 3: Cross multiply
    726x = 802.50 × 802.50
  4. Step 4: Simplify right side
    726x = 644,006.25
  5. Step 5: Solve for x
    x = 644,006.25/726
  6. Step 6: Final answer
    x = 887.06

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These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.