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Finding the Third Proportional to 305,394 and 448,969.50

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Solution

The third proportional to 305,394 and 448,969.50 is: 660,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,394 : 448,969.50 = 448,969.50 : x
  2. Step 2: Convert to fraction form
    305,394/448,969.50 = 448,969.50/x
  3. Step 3: Cross multiply
    305,394x = 448,969.50 × 448,969.50
  4. Step 4: Simplify right side
    305,394x = 201,573,611,930.25
  5. Step 5: Solve for x
    x = 201,573,611,930.25/305,394
  6. Step 6: Final answer
    x = 660,044.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.