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Finding the Third Proportional to 7,639,248 and 10,381,140

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Solution

The third proportional to 7,639,248 and 10,381,140 is: 14,107,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,248 : 10,381,140 = 10,381,140 : x
  2. Step 2: Convert to fraction form
    7,639,248/10,381,140 = 10,381,140/x
  3. Step 3: Cross multiply
    7,639,248x = 10,381,140 × 10,381,140
  4. Step 4: Simplify right side
    7,639,248x = 107,768,067,699,600
  5. Step 5: Solve for x
    x = 107,768,067,699,600/7,639,248
  6. Step 6: Final answer
    x = 14,107,156.58

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.