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Finding the Third Proportional to 13,263,219 and 21,090,609

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Solution

The third proportional to 13,263,219 and 21,090,609 is: 33,537,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,219 : 21,090,609 = 21,090,609 : x
  2. Step 2: Convert to fraction form
    13,263,219/21,090,609 = 21,090,609/x
  3. Step 3: Cross multiply
    13,263,219x = 21,090,609 × 21,090,609
  4. Step 4: Simplify right side
    13,263,219x = 444,813,787,990,881
  5. Step 5: Solve for x
    x = 444,813,787,990,881/13,263,219
  6. Step 6: Final answer
    x = 33,537,393.00

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.