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Finding the Third Proportional to 652.50 and 955.50

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Solution

The third proportional to 652.50 and 955.50 is: 1,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.50 : 955.50 = 955.50 : x
  2. Step 2: Convert to fraction form
    652.50/955.50 = 955.50/x
  3. Step 3: Cross multiply
    652.50x = 955.50 × 955.50
  4. Step 4: Simplify right side
    652.50x = 912,980.25
  5. Step 5: Solve for x
    x = 912,980.25/652.50
  6. Step 6: Final answer
    x = 1,399.20

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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.