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Finding the Third Proportional to 252,578 and 540,178

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Solution

The third proportional to 252,578 and 540,178 is: 1,155,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,578 : 540,178 = 540,178 : x
  2. Step 2: Convert to fraction form
    252,578/540,178 = 540,178/x
  3. Step 3: Cross multiply
    252,578x = 540,178 × 540,178
  4. Step 4: Simplify right side
    252,578x = 291,792,271,684
  5. Step 5: Solve for x
    x = 291,792,271,684/252,578
  6. Step 6: Final answer
    x = 1,155,256.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.