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Finding the Third Proportional to 177,312 and 265,968

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Solution

The third proportional to 177,312 and 265,968 is: 398,952

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,312 : 265,968 = 265,968 : x
  2. Step 2: Convert to fraction form
    177,312/265,968 = 265,968/x
  3. Step 3: Cross multiply
    177,312x = 265,968 × 265,968
  4. Step 4: Simplify right side
    177,312x = 70,738,977,024
  5. Step 5: Solve for x
    x = 70,738,977,024/177,312
  6. Step 6: Final answer
    x = 398,952

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.