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Finding the Third Proportional to 4,921,863.75 and 7,703,373.38

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Solution

The third proportional to 4,921,863.75 and 7,703,373.38 is: 12,056,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,863.75 : 7,703,373.38 = 7,703,373.38 : x
  2. Step 2: Convert to fraction form
    4,921,863.75/7,703,373.38 = 7,703,373.38/x
  3. Step 3: Cross multiply
    4,921,863.75x = 7,703,373.38 × 7,703,373.38
  4. Step 4: Simplify right side
    4,921,863.75x = 59,341,961,354,658.89
  5. Step 5: Solve for x
    x = 59,341,961,354,658.89/4,921,863.75
  6. Step 6: Final answer
    x = 12,056,807.01

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.