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Finding the Third Proportional to 111,812.63 and 239,602.50

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Solution

The third proportional to 111,812.63 and 239,602.50 is: 513,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,812.63 : 239,602.50 = 239,602.50 : x
  2. Step 2: Convert to fraction form
    111,812.63/239,602.50 = 239,602.50/x
  3. Step 3: Cross multiply
    111,812.63x = 239,602.50 × 239,602.50
  4. Step 4: Simplify right side
    111,812.63x = 57,409,358,006.25
  5. Step 5: Solve for x
    x = 57,409,358,006.25/111,812.63
  6. Step 6: Final answer
    x = 513,442.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.