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Finding the Third Proportional to 245,540.25 and 542,704.50

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Solution

The third proportional to 245,540.25 and 542,704.50 is: 1,199,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,540.25 : 542,704.50 = 542,704.50 : x
  2. Step 2: Convert to fraction form
    245,540.25/542,704.50 = 542,704.50/x
  3. Step 3: Cross multiply
    245,540.25x = 542,704.50 × 542,704.50
  4. Step 4: Simplify right side
    245,540.25x = 294,528,174,320.25
  5. Step 5: Solve for x
    x = 294,528,174,320.25/245,540.25
  6. Step 6: Final answer
    x = 1,199,510.77

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.