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Finding the Third Proportional to 72,173,354 and 104,278,030

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Solution

The third proportional to 72,173,354 and 104,278,030 is: 150,663,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,173,354 : 104,278,030 = 104,278,030 : x
  2. Step 2: Convert to fraction form
    72,173,354/104,278,030 = 104,278,030/x
  3. Step 3: Cross multiply
    72,173,354x = 104,278,030 × 104,278,030
  4. Step 4: Simplify right side
    72,173,354x = 10,873,907,540,680,900
  5. Step 5: Solve for x
    x = 10,873,907,540,680,900/72,173,354
  6. Step 6: Final answer
    x = 150,663,741.37

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.