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Finding the Third Proportional to 13,036,142 and 19,154,667

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Solution

The third proportional to 13,036,142 and 19,154,667 is: 28,144,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,142 : 19,154,667 = 19,154,667 : x
  2. Step 2: Convert to fraction form
    13,036,142/19,154,667 = 19,154,667/x
  3. Step 3: Cross multiply
    13,036,142x = 19,154,667 × 19,154,667
  4. Step 4: Simplify right side
    13,036,142x = 366,901,267,880,889
  5. Step 5: Solve for x
    x = 366,901,267,880,889/13,036,142
  6. Step 6: Final answer
    x = 28,144,927.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.