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Finding the Third Proportional to 71,922,438 and 155,353,828.50

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Solution

The third proportional to 71,922,438 and 155,353,828.50 is: 335,567,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922,438 : 155,353,828.50 = 155,353,828.50 : x
  2. Step 2: Convert to fraction form
    71,922,438/155,353,828.50 = 155,353,828.50/x
  3. Step 3: Cross multiply
    71,922,438x = 155,353,828.50 × 155,353,828.50
  4. Step 4: Simplify right side
    71,922,438x = 24,134,812,029,607,412
  5. Step 5: Solve for x
    x = 24,134,812,029,607,412/71,922,438
  6. Step 6: Final answer
    x = 335,567,212.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.