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Finding the Third Proportional to 253,276 and 540,454

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Solution

The third proportional to 253,276 and 540,454 is: 1,153,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,276 : 540,454 = 540,454 : x
  2. Step 2: Convert to fraction form
    253,276/540,454 = 540,454/x
  3. Step 3: Cross multiply
    253,276x = 540,454 × 540,454
  4. Step 4: Simplify right side
    253,276x = 292,090,526,116
  5. Step 5: Solve for x
    x = 292,090,526,116/253,276
  6. Step 6: Final answer
    x = 1,153,249.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.