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Finding the Third Proportional to 242,810 and 367,602

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Solution

The third proportional to 242,810 and 367,602 is: 556,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,810 : 367,602 = 367,602 : x
  2. Step 2: Convert to fraction form
    242,810/367,602 = 367,602/x
  3. Step 3: Cross multiply
    242,810x = 367,602 × 367,602
  4. Step 4: Simplify right side
    242,810x = 135,131,230,404
  5. Step 5: Solve for x
    x = 135,131,230,404/242,810
  6. Step 6: Final answer
    x = 556,530.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.