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Finding the Third Proportional to 545.06 and 848.81

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Solution

The third proportional to 545.06 and 848.81 is: 1,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.06 : 848.81 = 848.81 : x
  2. Step 2: Convert to fraction form
    545.06/848.81 = 848.81/x
  3. Step 3: Cross multiply
    545.06x = 848.81 × 848.81
  4. Step 4: Simplify right side
    545.06x = 720,482.66
  5. Step 5: Solve for x
    x = 720,482.66/545.06
  6. Step 6: Final answer
    x = 1,321.83

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.