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Finding the Third Proportional to 350,013 and 542,998.50

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Solution

The third proportional to 350,013 and 542,998.50 is: 842,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,013 : 542,998.50 = 542,998.50 : x
  2. Step 2: Convert to fraction form
    350,013/542,998.50 = 542,998.50/x
  3. Step 3: Cross multiply
    350,013x = 542,998.50 × 542,998.50
  4. Step 4: Simplify right side
    350,013x = 294,847,371,002.25
  5. Step 5: Solve for x
    x = 294,847,371,002.25/350,013
  6. Step 6: Final answer
    x = 842,389.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.