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Finding the Third Proportional to 8,357,715 and 18,106,590

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Solution

The third proportional to 8,357,715 and 18,106,590 is: 39,227,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357,715 : 18,106,590 = 18,106,590 : x
  2. Step 2: Convert to fraction form
    8,357,715/18,106,590 = 18,106,590/x
  3. Step 3: Cross multiply
    8,357,715x = 18,106,590 × 18,106,590
  4. Step 4: Simplify right side
    8,357,715x = 327,848,601,428,100
  5. Step 5: Solve for x
    x = 327,848,601,428,100/8,357,715
  6. Step 6: Final answer
    x = 39,227,061.63

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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.