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Finding the Third Proportional to 335,238 and 455,553

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Solution

The third proportional to 335,238 and 455,553 is: 619,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,238 : 455,553 = 455,553 : x
  2. Step 2: Convert to fraction form
    335,238/455,553 = 455,553/x
  3. Step 3: Cross multiply
    335,238x = 455,553 × 455,553
  4. Step 4: Simplify right side
    335,238x = 207,528,535,809
  5. Step 5: Solve for x
    x = 207,528,535,809/335,238
  6. Step 6: Final answer
    x = 619,048.37

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.