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Finding the Third Proportional to 13,106,721 and 19,660,083

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Solution

The third proportional to 13,106,721 and 19,660,083 is: 29,490,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,721 : 19,660,083 = 19,660,083 : x
  2. Step 2: Convert to fraction form
    13,106,721/19,660,083 = 19,660,083/x
  3. Step 3: Cross multiply
    13,106,721x = 19,660,083 × 19,660,083
  4. Step 4: Simplify right side
    13,106,721x = 386,518,863,566,889
  5. Step 5: Solve for x
    x = 386,518,863,566,889/13,106,721
  6. Step 6: Final answer
    x = 29,490,126.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.