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Finding the Third Proportional to 70,128 and 95,810

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Solution

The third proportional to 70,128 and 95,810 is: 130,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,128 : 95,810 = 95,810 : x
  2. Step 2: Convert to fraction form
    70,128/95,810 = 95,810/x
  3. Step 3: Cross multiply
    70,128x = 95,810 × 95,810
  4. Step 4: Simplify right side
    70,128x = 9,179,556,100
  5. Step 5: Solve for x
    x = 9,179,556,100/70,128
  6. Step 6: Final answer
    x = 130,897.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.