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Finding the Third Proportional to 302,970.75 and 469,766.25

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Solution

The third proportional to 302,970.75 and 469,766.25 is: 728,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,970.75 : 469,766.25 = 469,766.25 : x
  2. Step 2: Convert to fraction form
    302,970.75/469,766.25 = 469,766.25/x
  3. Step 3: Cross multiply
    302,970.75x = 469,766.25 × 469,766.25
  4. Step 4: Simplify right side
    302,970.75x = 220,680,329,639.06
  5. Step 5: Solve for x
    x = 220,680,329,639.06/302,970.75
  6. Step 6: Final answer
    x = 728,388.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.