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Finding the Third Proportional to 3,637,809.67 and 7,921,467.77

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Solution

The third proportional to 3,637,809.67 and 7,921,467.77 is: 17,249,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637,809.67 : 7,921,467.77 = 7,921,467.77 : x
  2. Step 2: Convert to fraction form
    3,637,809.67/7,921,467.77 = 7,921,467.77/x
  3. Step 3: Cross multiply
    3,637,809.67x = 7,921,467.77 × 7,921,467.77
  4. Step 4: Simplify right side
    3,637,809.67x = 62,749,651,685,608.87
  5. Step 5: Solve for x
    x = 62,749,651,685,608.87/3,637,809.67
  6. Step 6: Final answer
    x = 17,249,294.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.