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Finding the Third Proportional to 5,390,183 and 7,884,636

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Solution

The third proportional to 5,390,183 and 7,884,636 is: 11,533,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,183 : 7,884,636 = 7,884,636 : x
  2. Step 2: Convert to fraction form
    5,390,183/7,884,636 = 7,884,636/x
  3. Step 3: Cross multiply
    5,390,183x = 7,884,636 × 7,884,636
  4. Step 4: Simplify right side
    5,390,183x = 62,167,484,852,496
  5. Step 5: Solve for x
    x = 62,167,484,852,496/5,390,183
  6. Step 6: Final answer
    x = 11,533,464.61

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.