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Finding the Third Proportional to 261,550.50 and 554,487

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Solution

The third proportional to 261,550.50 and 554,487 is: 1,175,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,550.50 : 554,487 = 554,487 : x
  2. Step 2: Convert to fraction form
    261,550.50/554,487 = 554,487/x
  3. Step 3: Cross multiply
    261,550.50x = 554,487 × 554,487
  4. Step 4: Simplify right side
    261,550.50x = 307,455,833,169
  5. Step 5: Solve for x
    x = 307,455,833,169/261,550.50
  6. Step 6: Final answer
    x = 1,175,512.31

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.