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Finding the Third Proportional to 4,708,021.54 and 6,663,677.94

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Solution

The third proportional to 4,708,021.54 and 6,663,677.94 is: 9,431,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708,021.54 : 6,663,677.94 = 6,663,677.94 : x
  2. Step 2: Convert to fraction form
    4,708,021.54/6,663,677.94 = 6,663,677.94/x
  3. Step 3: Cross multiply
    4,708,021.54x = 6,663,677.94 × 6,663,677.94
  4. Step 4: Simplify right side
    4,708,021.54x = 44,404,603,706,783.57
  5. Step 5: Solve for x
    x = 44,404,603,706,783.57/4,708,021.54
  6. Step 6: Final answer
    x = 9,431,690.87

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.