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Finding the Third Proportional to 353,113 and 540,145

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Solution

The third proportional to 353,113 and 540,145 is: 826,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,113 : 540,145 = 540,145 : x
  2. Step 2: Convert to fraction form
    353,113/540,145 = 540,145/x
  3. Step 3: Cross multiply
    353,113x = 540,145 × 540,145
  4. Step 4: Simplify right side
    353,113x = 291,756,621,025
  5. Step 5: Solve for x
    x = 291,756,621,025/353,113
  6. Step 6: Final answer
    x = 826,241.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.