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Finding the Third Proportional to 13,308,786 and 19,017,891

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Solution

The third proportional to 13,308,786 and 19,017,891 is: 27,176,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,786 : 19,017,891 = 19,017,891 : x
  2. Step 2: Convert to fraction form
    13,308,786/19,017,891 = 19,017,891/x
  3. Step 3: Cross multiply
    13,308,786x = 19,017,891 × 19,017,891
  4. Step 4: Simplify right side
    13,308,786x = 361,680,178,087,881
  5. Step 5: Solve for x
    x = 361,680,178,087,881/13,308,786
  6. Step 6: Final answer
    x = 27,176,045.82

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.