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Finding the Third Proportional to 145,180.75 and 221,461.75

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Solution

The third proportional to 145,180.75 and 221,461.75 is: 337,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,180.75 : 221,461.75 = 221,461.75 : x
  2. Step 2: Convert to fraction form
    145,180.75/221,461.75 = 221,461.75/x
  3. Step 3: Cross multiply
    145,180.75x = 221,461.75 × 221,461.75
  4. Step 4: Simplify right side
    145,180.75x = 49,045,306,713.06
  5. Step 5: Solve for x
    x = 49,045,306,713.06/145,180.75
  6. Step 6: Final answer
    x = 337,822.38

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.