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Finding the Third Proportional to 70,016 and 153,640

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Solution

The third proportional to 70,016 and 153,640 is: 337,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016 : 153,640 = 153,640 : x
  2. Step 2: Convert to fraction form
    70,016/153,640 = 153,640/x
  3. Step 3: Cross multiply
    70,016x = 153,640 × 153,640
  4. Step 4: Simplify right side
    70,016x = 23,605,249,600
  5. Step 5: Solve for x
    x = 23,605,249,600/70,016
  6. Step 6: Final answer
    x = 337,140.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.