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Finding the Third Proportional to 133,054 and 195,688

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Solution

The third proportional to 133,054 and 195,688 is: 287,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054 : 195,688 = 195,688 : x
  2. Step 2: Convert to fraction form
    133,054/195,688 = 195,688/x
  3. Step 3: Cross multiply
    133,054x = 195,688 × 195,688
  4. Step 4: Simplify right side
    133,054x = 38,293,793,344
  5. Step 5: Solve for x
    x = 38,293,793,344/133,054
  6. Step 6: Final answer
    x = 287,806.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.