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Finding the Third Proportional to 148,290.75 and 249,500.25

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Solution

The third proportional to 148,290.75 and 249,500.25 is: 419,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,290.75 : 249,500.25 = 249,500.25 : x
  2. Step 2: Convert to fraction form
    148,290.75/249,500.25 = 249,500.25/x
  3. Step 3: Cross multiply
    148,290.75x = 249,500.25 × 249,500.25
  4. Step 4: Simplify right side
    148,290.75x = 62,250,374,750.06
  5. Step 5: Solve for x
    x = 62,250,374,750.06/148,290.75
  6. Step 6: Final answer
    x = 419,785.96

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.