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Finding the Third Proportional to 534.62 and 784.79

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Solution

The third proportional to 534.62 and 784.79 is: 1,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.62 : 784.79 = 784.79 : x
  2. Step 2: Convert to fraction form
    534.62/784.79 = 784.79/x
  3. Step 3: Cross multiply
    534.62x = 784.79 × 784.79
  4. Step 4: Simplify right side
    534.62x = 615,900.00
  5. Step 5: Solve for x
    x = 615,900.00/534.62
  6. Step 6: Final answer
    x = 1,152.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.