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Finding the Third Proportional to 530.25 and 612

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Solution

The third proportional to 530.25 and 612 is: 706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.25 : 612 = 612 : x
  2. Step 2: Convert to fraction form
    530.25/612 = 612/x
  3. Step 3: Cross multiply
    530.25x = 612 × 612
  4. Step 4: Simplify right side
    530.25x = 374,544
  5. Step 5: Solve for x
    x = 374,544/530.25
  6. Step 6: Final answer
    x = 706.35

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.