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Finding the Third Proportional to 3,637,839 and 7,921,527

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Solution

The third proportional to 3,637,839 and 7,921,527 is: 17,249,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637,839 : 7,921,527 = 7,921,527 : x
  2. Step 2: Convert to fraction form
    3,637,839/7,921,527 = 7,921,527/x
  3. Step 3: Cross multiply
    3,637,839x = 7,921,527 × 7,921,527
  4. Step 4: Simplify right side
    3,637,839x = 62,750,590,011,729
  5. Step 5: Solve for x
    x = 62,750,590,011,729/3,637,839
  6. Step 6: Final answer
    x = 17,249,413.73

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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.