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Finding the Third Proportional to 130,806 and 195,688

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Solution

The third proportional to 130,806 and 195,688 is: 292,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,806 : 195,688 = 195,688 : x
  2. Step 2: Convert to fraction form
    130,806/195,688 = 195,688/x
  3. Step 3: Cross multiply
    130,806x = 195,688 × 195,688
  4. Step 4: Simplify right side
    130,806x = 38,293,793,344
  5. Step 5: Solve for x
    x = 38,293,793,344/130,806
  6. Step 6: Final answer
    x = 292,752.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.