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Finding the Third Proportional to 27,990,202 and 43,178,056

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Solution

The third proportional to 27,990,202 and 43,178,056 is: 66,607,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990,202 : 43,178,056 = 43,178,056 : x
  2. Step 2: Convert to fraction form
    27,990,202/43,178,056 = 43,178,056/x
  3. Step 3: Cross multiply
    27,990,202x = 43,178,056 × 43,178,056
  4. Step 4: Simplify right side
    27,990,202x = 1,864,344,519,939,136
  5. Step 5: Solve for x
    x = 1,864,344,519,939,136/27,990,202
  6. Step 6: Final answer
    x = 66,607,040.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.