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Finding the Third Proportional to 59,622.75 and 121,979.25

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Solution

The third proportional to 59,622.75 and 121,979.25 is: 249,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,622.75 : 121,979.25 = 121,979.25 : x
  2. Step 2: Convert to fraction form
    59,622.75/121,979.25 = 121,979.25/x
  3. Step 3: Cross multiply
    59,622.75x = 121,979.25 × 121,979.25
  4. Step 4: Simplify right side
    59,622.75x = 14,878,937,430.56
  5. Step 5: Solve for x
    x = 14,878,937,430.56/59,622.75
  6. Step 6: Final answer
    x = 249,551.34

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.