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Finding the Third Proportional to 8,415,473.48 and 12,792,890.67

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Solution

The third proportional to 8,415,473.48 and 12,792,890.67 is: 19,447,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,473.48 : 12,792,890.67 = 12,792,890.67 : x
  2. Step 2: Convert to fraction form
    8,415,473.48/12,792,890.67 = 12,792,890.67/x
  3. Step 3: Cross multiply
    8,415,473.48x = 12,792,890.67 × 12,792,890.67
  4. Step 4: Simplify right side
    8,415,473.48x = 163,658,051,742,546.38
  5. Step 5: Solve for x
    x = 163,658,051,742,546.38/8,415,473.48
  6. Step 6: Final answer
    x = 19,447,277.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.