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Finding the Third Proportional to 242,046 and 355,293

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Solution

The third proportional to 242,046 and 355,293 is: 521,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,046 : 355,293 = 355,293 : x
  2. Step 2: Convert to fraction form
    242,046/355,293 = 355,293/x
  3. Step 3: Cross multiply
    242,046x = 355,293 × 355,293
  4. Step 4: Simplify right side
    242,046x = 126,233,115,849
  5. Step 5: Solve for x
    x = 126,233,115,849/242,046
  6. Step 6: Final answer
    x = 521,525.31

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.