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Finding the Third Proportional to 12,545,428.50 and 27,215,145

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Solution

The third proportional to 12,545,428.50 and 27,215,145 is: 59,038,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545,428.50 : 27,215,145 = 27,215,145 : x
  2. Step 2: Convert to fraction form
    12,545,428.50/27,215,145 = 27,215,145/x
  3. Step 3: Cross multiply
    12,545,428.50x = 27,215,145 × 27,215,145
  4. Step 4: Simplify right side
    12,545,428.50x = 740,664,117,371,025
  5. Step 5: Solve for x
    x = 740,664,117,371,025/12,545,428.50
  6. Step 6: Final answer
    x = 59,038,566.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.