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Finding the Third Proportional to 187,365 and 270,841.50

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Solution

The third proportional to 187,365 and 270,841.50 is: 391,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,365 : 270,841.50 = 270,841.50 : x
  2. Step 2: Convert to fraction form
    187,365/270,841.50 = 270,841.50/x
  3. Step 3: Cross multiply
    187,365x = 270,841.50 × 270,841.50
  4. Step 4: Simplify right side
    187,365x = 73,355,118,122.25
  5. Step 5: Solve for x
    x = 73,355,118,122.25/187,365
  6. Step 6: Final answer
    x = 391,509.18

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.