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Finding the Third Proportional to 7,926,530.91 and 12,145,675.36

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Solution

The third proportional to 7,926,530.91 and 12,145,675.36 is: 18,610,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,530.91 : 12,145,675.36 = 12,145,675.36 : x
  2. Step 2: Convert to fraction form
    7,926,530.91/12,145,675.36 = 12,145,675.36/x
  3. Step 3: Cross multiply
    7,926,530.91x = 12,145,675.36 × 12,145,675.36
  4. Step 4: Simplify right side
    7,926,530.91x = 147,517,429,935,329.03
  5. Step 5: Solve for x
    x = 147,517,429,935,329.03/7,926,530.91
  6. Step 6: Final answer
    x = 18,610,591.65

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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.