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Finding the Third Proportional to 529.13 and 767.63

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Solution

The third proportional to 529.13 and 767.63 is: 1,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.13 : 767.63 = 767.63 : x
  2. Step 2: Convert to fraction form
    529.13/767.63 = 767.63/x
  3. Step 3: Cross multiply
    529.13x = 767.63 × 767.63
  4. Step 4: Simplify right side
    529.13x = 589,248.14
  5. Step 5: Solve for x
    x = 589,248.14/529.13
  6. Step 6: Final answer
    x = 1,113.63

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.