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Finding the Third Proportional to 121,133 and 265,346

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Solution

The third proportional to 121,133 and 265,346 is: 581,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,133 : 265,346 = 265,346 : x
  2. Step 2: Convert to fraction form
    121,133/265,346 = 265,346/x
  3. Step 3: Cross multiply
    121,133x = 265,346 × 265,346
  4. Step 4: Simplify right side
    121,133x = 70,408,499,716
  5. Step 5: Solve for x
    x = 70,408,499,716/121,133
  6. Step 6: Final answer
    x = 581,249.53

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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.