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Finding the Third Proportional to 374,928 and 809,740

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Solution

The third proportional to 374,928 and 809,740 is: 1,748,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,928 : 809,740 = 809,740 : x
  2. Step 2: Convert to fraction form
    374,928/809,740 = 809,740/x
  3. Step 3: Cross multiply
    374,928x = 809,740 × 809,740
  4. Step 4: Simplify right side
    374,928x = 655,678,867,600
  5. Step 5: Solve for x
    x = 655,678,867,600/374,928
  6. Step 6: Final answer
    x = 1,748,812.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.