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Finding the Third Proportional to 27,128,603 and 40,412,658

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Solution

The third proportional to 27,128,603 and 40,412,658 is: 60,201,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128,603 : 40,412,658 = 40,412,658 : x
  2. Step 2: Convert to fraction form
    27,128,603/40,412,658 = 40,412,658/x
  3. Step 3: Cross multiply
    27,128,603x = 40,412,658 × 40,412,658
  4. Step 4: Simplify right side
    27,128,603x = 1,633,182,926,624,964
  5. Step 5: Solve for x
    x = 1,633,182,926,624,964/27,128,603
  6. Step 6: Final answer
    x = 60,201,512.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.