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Finding the Third Proportional to 121,506 and 264,819

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Solution

The third proportional to 121,506 and 264,819 is: 577,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,506 : 264,819 = 264,819 : x
  2. Step 2: Convert to fraction form
    121,506/264,819 = 264,819/x
  3. Step 3: Cross multiply
    121,506x = 264,819 × 264,819
  4. Step 4: Simplify right side
    121,506x = 70,129,102,761
  5. Step 5: Solve for x
    x = 70,129,102,761/121,506
  6. Step 6: Final answer
    x = 577,165.76

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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.