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Finding the Third Proportional to 140,524 and 249,860

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Solution

The third proportional to 140,524 and 249,860 is: 444,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,524 : 249,860 = 249,860 : x
  2. Step 2: Convert to fraction form
    140,524/249,860 = 249,860/x
  3. Step 3: Cross multiply
    140,524x = 249,860 × 249,860
  4. Step 4: Simplify right side
    140,524x = 62,430,019,600
  5. Step 5: Solve for x
    x = 62,430,019,600/140,524
  6. Step 6: Final answer
    x = 444,265.89

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.