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Finding the Third Proportional to 155,368.13 and 228,131.44

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Solution

The third proportional to 155,368.13 and 228,131.44 is: 334,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,368.13 : 228,131.44 = 228,131.44 : x
  2. Step 2: Convert to fraction form
    155,368.13/228,131.44 = 228,131.44/x
  3. Step 3: Cross multiply
    155,368.13x = 228,131.44 × 228,131.44
  4. Step 4: Simplify right side
    155,368.13x = 52,043,952,775.82
  5. Step 5: Solve for x
    x = 52,043,952,775.82/155,368.13
  6. Step 6: Final answer
    x = 334,971.88

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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.