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Finding the Third Proportional to 71,369 and 155,894.50

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Solution

The third proportional to 71,369 and 155,894.50 is: 340,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369 : 155,894.50 = 155,894.50 : x
  2. Step 2: Convert to fraction form
    71,369/155,894.50 = 155,894.50/x
  3. Step 3: Cross multiply
    71,369x = 155,894.50 × 155,894.50
  4. Step 4: Simplify right side
    71,369x = 24,303,095,130.25
  5. Step 5: Solve for x
    x = 24,303,095,130.25/71,369
  6. Step 6: Final answer
    x = 340,527.33

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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.