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Finding the Third Proportional to 254,513 and 553,288

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Solution

The third proportional to 254,513 and 553,288 is: 1,202,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,513 : 553,288 = 553,288 : x
  2. Step 2: Convert to fraction form
    254,513/553,288 = 553,288/x
  3. Step 3: Cross multiply
    254,513x = 553,288 × 553,288
  4. Step 4: Simplify right side
    254,513x = 306,127,610,944
  5. Step 5: Solve for x
    x = 306,127,610,944/254,513
  6. Step 6: Final answer
    x = 1,202,797.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.