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Finding the Third Proportional to 121,088.25 and 263,975.63

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Solution

The third proportional to 121,088.25 and 263,975.63 is: 575,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.25 : 263,975.63 = 263,975.63 : x
  2. Step 2: Convert to fraction form
    121,088.25/263,975.63 = 263,975.63/x
  3. Step 3: Cross multiply
    121,088.25x = 263,975.63 × 263,975.63
  4. Step 4: Simplify right side
    121,088.25x = 69,683,130,594.14
  5. Step 5: Solve for x
    x = 69,683,130,594.14/121,088.25
  6. Step 6: Final answer
    x = 575,473.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.