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Finding the Third Proportional to 249,255.50 and 543,623

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Solution

The third proportional to 249,255.50 and 543,623 is: 1,185,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,255.50 : 543,623 = 543,623 : x
  2. Step 2: Convert to fraction form
    249,255.50/543,623 = 543,623/x
  3. Step 3: Cross multiply
    249,255.50x = 543,623 × 543,623
  4. Step 4: Simplify right side
    249,255.50x = 295,525,966,129
  5. Step 5: Solve for x
    x = 295,525,966,129/249,255.50
  6. Step 6: Final answer
    x = 1,185,634.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.