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Finding the Third Proportional to 302,280 and 659,954

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Solution

The third proportional to 302,280 and 659,954 is: 1,440,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,280 : 659,954 = 659,954 : x
  2. Step 2: Convert to fraction form
    302,280/659,954 = 659,954/x
  3. Step 3: Cross multiply
    302,280x = 659,954 × 659,954
  4. Step 4: Simplify right side
    302,280x = 435,539,282,116
  5. Step 5: Solve for x
    x = 435,539,282,116/302,280
  6. Step 6: Final answer
    x = 1,440,847.17

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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.