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Finding the Third Proportional to 348,853.50 and 539,743.50

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Solution

The third proportional to 348,853.50 and 539,743.50 is: 835,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,853.50 : 539,743.50 = 539,743.50 : x
  2. Step 2: Convert to fraction form
    348,853.50/539,743.50 = 539,743.50/x
  3. Step 3: Cross multiply
    348,853.50x = 539,743.50 × 539,743.50
  4. Step 4: Simplify right side
    348,853.50x = 291,323,045,792.25
  5. Step 5: Solve for x
    x = 291,323,045,792.25/348,853.50
  6. Step 6: Final answer
    x = 835,087.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.