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Finding the Third Proportional to 530.25 and 723

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Solution

The third proportional to 530.25 and 723 is: 985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.25 : 723 = 723 : x
  2. Step 2: Convert to fraction form
    530.25/723 = 723/x
  3. Step 3: Cross multiply
    530.25x = 723 × 723
  4. Step 4: Simplify right side
    530.25x = 522,729
  5. Step 5: Solve for x
    x = 522,729/530.25
  6. Step 6: Final answer
    x = 985.82

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.