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Finding the Third Proportional to 112,721.63 and 243,182.25

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Solution

The third proportional to 112,721.63 and 243,182.25 is: 524,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,721.63 : 243,182.25 = 243,182.25 : x
  2. Step 2: Convert to fraction form
    112,721.63/243,182.25 = 243,182.25/x
  3. Step 3: Cross multiply
    112,721.63x = 243,182.25 × 243,182.25
  4. Step 4: Simplify right side
    112,721.63x = 59,137,606,715.06
  5. Step 5: Solve for x
    x = 59,137,606,715.06/112,721.63
  6. Step 6: Final answer
    x = 524,634.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.