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Finding the Third Proportional to 50,688 and 121,959

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Solution

The third proportional to 50,688 and 121,959 is: 293,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688 : 121,959 = 121,959 : x
  2. Step 2: Convert to fraction form
    50,688/121,959 = 121,959/x
  3. Step 3: Cross multiply
    50,688x = 121,959 × 121,959
  4. Step 4: Simplify right side
    50,688x = 14,873,997,681
  5. Step 5: Solve for x
    x = 14,873,997,681/50,688
  6. Step 6: Final answer
    x = 293,442.19

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.