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Finding the Third Proportional to 572,174.50 and 840,745.50

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Solution

The third proportional to 572,174.50 and 840,745.50 is: 1,235,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,174.50 : 840,745.50 = 840,745.50 : x
  2. Step 2: Convert to fraction form
    572,174.50/840,745.50 = 840,745.50/x
  3. Step 3: Cross multiply
    572,174.50x = 840,745.50 × 840,745.50
  4. Step 4: Simplify right side
    572,174.50x = 706,852,995,770.25
  5. Step 5: Solve for x
    x = 706,852,995,770.25/572,174.50
  6. Step 6: Final answer
    x = 1,235,380.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.