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Finding the Third Proportional to 8,355,125.95 and 12,780,956.14

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Solution

The third proportional to 8,355,125.95 and 12,780,956.14 is: 19,551,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355,125.95 : 12,780,956.14 = 12,780,956.14 : x
  2. Step 2: Convert to fraction form
    8,355,125.95/12,780,956.14 = 12,780,956.14/x
  3. Step 3: Cross multiply
    8,355,125.95x = 12,780,956.14 × 12,780,956.14
  4. Step 4: Simplify right side
    8,355,125.95x = 163,352,839,968,424.75
  5. Step 5: Solve for x
    x = 163,352,839,968,424.75/8,355,125.95
  6. Step 6: Final answer
    x = 19,551,212.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.