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Finding the Third Proportional to 713.81 and 810.63

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Solution

The third proportional to 713.81 and 810.63 is: 920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.81 : 810.63 = 810.63 : x
  2. Step 2: Convert to fraction form
    713.81/810.63 = 810.63/x
  3. Step 3: Cross multiply
    713.81x = 810.63 × 810.63
  4. Step 4: Simplify right side
    713.81x = 657,125.56
  5. Step 5: Solve for x
    x = 657,125.56/713.81
  6. Step 6: Final answer
    x = 920.59

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These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.