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Finding the Third Proportional to 238,465 and 505,352

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Solution

The third proportional to 238,465 and 505,352 is: 1,070,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,465 : 505,352 = 505,352 : x
  2. Step 2: Convert to fraction form
    238,465/505,352 = 505,352/x
  3. Step 3: Cross multiply
    238,465x = 505,352 × 505,352
  4. Step 4: Simplify right side
    238,465x = 255,380,643,904
  5. Step 5: Solve for x
    x = 255,380,643,904/238,465
  6. Step 6: Final answer
    x = 1,070,935.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.