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Finding the Third Proportional to 153,944 and 230,685

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Solution

The third proportional to 153,944 and 230,685 is: 345,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,944 : 230,685 = 230,685 : x
  2. Step 2: Convert to fraction form
    153,944/230,685 = 230,685/x
  3. Step 3: Cross multiply
    153,944x = 230,685 × 230,685
  4. Step 4: Simplify right side
    153,944x = 53,215,569,225
  5. Step 5: Solve for x
    x = 53,215,569,225/153,944
  6. Step 6: Final answer
    x = 345,681.35

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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.