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Finding the Third Proportional to 2,990,666.81 and 6,560,336.81

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Solution

The third proportional to 2,990,666.81 and 6,560,336.81 is: 14,390,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,666.81 : 6,560,336.81 = 6,560,336.81 : x
  2. Step 2: Convert to fraction form
    2,990,666.81/6,560,336.81 = 6,560,336.81/x
  3. Step 3: Cross multiply
    2,990,666.81x = 6,560,336.81 × 6,560,336.81
  4. Step 4: Simplify right side
    2,990,666.81x = 43,038,019,093,442.66
  5. Step 5: Solve for x
    x = 43,038,019,093,442.66/2,990,666.81
  6. Step 6: Final answer
    x = 14,390,776.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.