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Finding the Third Proportional to 142,458.75 and 332,812.13

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Solution

The third proportional to 142,458.75 and 332,812.13 is: 777,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,458.75 : 332,812.13 = 332,812.13 : x
  2. Step 2: Convert to fraction form
    142,458.75/332,812.13 = 332,812.13/x
  3. Step 3: Cross multiply
    142,458.75x = 332,812.13 × 332,812.13
  4. Step 4: Simplify right side
    142,458.75x = 110,763,910,547.02
  5. Step 5: Solve for x
    x = 110,763,910,547.02/142,458.75
  6. Step 6: Final answer
    x = 777,515.67

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.