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Finding the Third Proportional to 5,178,804 and 7,840,179

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Solution

The third proportional to 5,178,804 and 7,840,179 is: 11,869,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,804 : 7,840,179 = 7,840,179 : x
  2. Step 2: Convert to fraction form
    5,178,804/7,840,179 = 7,840,179/x
  3. Step 3: Cross multiply
    5,178,804x = 7,840,179 × 7,840,179
  4. Step 4: Simplify right side
    5,178,804x = 61,468,406,752,041
  5. Step 5: Solve for x
    x = 61,468,406,752,041/5,178,804
  6. Step 6: Final answer
    x = 11,869,228.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.