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Finding the Third Proportional to 7,928,962 and 12,602,355

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Solution

The third proportional to 7,928,962 and 12,602,355 is: 20,030,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,962 : 12,602,355 = 12,602,355 : x
  2. Step 2: Convert to fraction form
    7,928,962/12,602,355 = 12,602,355/x
  3. Step 3: Cross multiply
    7,928,962x = 12,602,355 × 12,602,355
  4. Step 4: Simplify right side
    7,928,962x = 158,819,351,546,025
  5. Step 5: Solve for x
    x = 158,819,351,546,025/7,928,962
  6. Step 6: Final answer
    x = 20,030,282.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.