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Finding the Third Proportional to 103,472.50 and 221,703

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Solution

The third proportional to 103,472.50 and 221,703 is: 475,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,472.50 : 221,703 = 221,703 : x
  2. Step 2: Convert to fraction form
    103,472.50/221,703 = 221,703/x
  3. Step 3: Cross multiply
    103,472.50x = 221,703 × 221,703
  4. Step 4: Simplify right side
    103,472.50x = 49,152,220,209
  5. Step 5: Solve for x
    x = 49,152,220,209/103,472.50
  6. Step 6: Final answer
    x = 475,026.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.