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Finding the Third Proportional to 155,932.50 and 342,312.75

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Solution

The third proportional to 155,932.50 and 342,312.75 is: 751,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,932.50 : 342,312.75 = 342,312.75 : x
  2. Step 2: Convert to fraction form
    155,932.50/342,312.75 = 342,312.75/x
  3. Step 3: Cross multiply
    155,932.50x = 342,312.75 × 342,312.75
  4. Step 4: Simplify right side
    155,932.50x = 117,178,018,812.56
  5. Step 5: Solve for x
    x = 117,178,018,812.56/155,932.50
  6. Step 6: Final answer
    x = 751,466.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.