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Finding the Third Proportional to 255,943.50 and 551,130

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Solution

The third proportional to 255,943.50 and 551,130 is: 1,186,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,943.50 : 551,130 = 551,130 : x
  2. Step 2: Convert to fraction form
    255,943.50/551,130 = 551,130/x
  3. Step 3: Cross multiply
    255,943.50x = 551,130 × 551,130
  4. Step 4: Simplify right side
    255,943.50x = 303,744,276,900
  5. Step 5: Solve for x
    x = 303,744,276,900/255,943.50
  6. Step 6: Final answer
    x = 1,186,763.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.