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Finding the Third Proportional to 245,727 and 539,635.50

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Solution

The third proportional to 245,727 and 539,635.50 is: 1,185,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,727 : 539,635.50 = 539,635.50 : x
  2. Step 2: Convert to fraction form
    245,727/539,635.50 = 539,635.50/x
  3. Step 3: Cross multiply
    245,727x = 539,635.50 × 539,635.50
  4. Step 4: Simplify right side
    245,727x = 291,206,472,860.25
  5. Step 5: Solve for x
    x = 291,206,472,860.25/245,727
  6. Step 6: Final answer
    x = 1,185,081.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.