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Finding the Third Proportional to 255.66 and 373.50

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Solution

The third proportional to 255.66 and 373.50 is: 545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.66 : 373.50 = 373.50 : x
  2. Step 2: Convert to fraction form
    255.66/373.50 = 373.50/x
  3. Step 3: Cross multiply
    255.66x = 373.50 × 373.50
  4. Step 4: Simplify right side
    255.66x = 139,502.25
  5. Step 5: Solve for x
    x = 139,502.25/255.66
  6. Step 6: Final answer
    x = 545.66

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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.