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Finding the Third Proportional to 285,219 and 610,928.25

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Solution

The third proportional to 285,219 and 610,928.25 is: 1,308,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,219 : 610,928.25 = 610,928.25 : x
  2. Step 2: Convert to fraction form
    285,219/610,928.25 = 610,928.25/x
  3. Step 3: Cross multiply
    285,219x = 610,928.25 × 610,928.25
  4. Step 4: Simplify right side
    285,219x = 373,233,326,648.06
  5. Step 5: Solve for x
    x = 373,233,326,648.06/285,219
  6. Step 6: Final answer
    x = 1,308,585.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.