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Finding the Third Proportional to 115,128 and 153,024

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Solution

The third proportional to 115,128 and 153,024 is: 203,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,128 : 153,024 = 153,024 : x
  2. Step 2: Convert to fraction form
    115,128/153,024 = 153,024/x
  3. Step 3: Cross multiply
    115,128x = 153,024 × 153,024
  4. Step 4: Simplify right side
    115,128x = 23,416,344,576
  5. Step 5: Solve for x
    x = 23,416,344,576/115,128
  6. Step 6: Final answer
    x = 203,394.00

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.