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Finding the Third Proportional to 179,985 and 382,159.50

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Solution

The third proportional to 179,985 and 382,159.50 is: 811,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,985 : 382,159.50 = 382,159.50 : x
  2. Step 2: Convert to fraction form
    179,985/382,159.50 = 382,159.50/x
  3. Step 3: Cross multiply
    179,985x = 382,159.50 × 382,159.50
  4. Step 4: Simplify right side
    179,985x = 146,045,883,440.25
  5. Step 5: Solve for x
    x = 146,045,883,440.25/179,985
  6. Step 6: Final answer
    x = 811,433.64

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.