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Finding the Third Proportional to 112,220 and 245,554

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Solution

The third proportional to 112,220 and 245,554 is: 537,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220 : 245,554 = 245,554 : x
  2. Step 2: Convert to fraction form
    112,220/245,554 = 245,554/x
  3. Step 3: Cross multiply
    112,220x = 245,554 × 245,554
  4. Step 4: Simplify right side
    112,220x = 60,296,766,916
  5. Step 5: Solve for x
    x = 60,296,766,916/112,220
  6. Step 6: Final answer
    x = 537,308.56

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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.