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Finding the Third Proportional to 595.50 and 870

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Solution

The third proportional to 595.50 and 870 is: 1,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.50 : 870 = 870 : x
  2. Step 2: Convert to fraction form
    595.50/870 = 870/x
  3. Step 3: Cross multiply
    595.50x = 870 × 870
  4. Step 4: Simplify right side
    595.50x = 756,900
  5. Step 5: Solve for x
    x = 756,900/595.50
  6. Step 6: Final answer
    x = 1,271.03

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.