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Finding the Third Proportional to 249,097.50 and 396,555.75

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Solution

The third proportional to 249,097.50 and 396,555.75 is: 631,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,097.50 : 396,555.75 = 396,555.75 : x
  2. Step 2: Convert to fraction form
    249,097.50/396,555.75 = 396,555.75/x
  3. Step 3: Cross multiply
    249,097.50x = 396,555.75 × 396,555.75
  4. Step 4: Simplify right side
    249,097.50x = 157,256,462,858.06
  5. Step 5: Solve for x
    x = 157,256,462,858.06/249,097.50
  6. Step 6: Final answer
    x = 631,304.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.