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Finding the Third Proportional to 620,079.75 and 930,118.50

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Solution

The third proportional to 620,079.75 and 930,118.50 is: 1,395,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,079.75 : 930,118.50 = 930,118.50 : x
  2. Step 2: Convert to fraction form
    620,079.75/930,118.50 = 930,118.50/x
  3. Step 3: Cross multiply
    620,079.75x = 930,118.50 × 930,118.50
  4. Step 4: Simplify right side
    620,079.75x = 865,120,424,042.25
  5. Step 5: Solve for x
    x = 865,120,424,042.25/620,079.75
  6. Step 6: Final answer
    x = 1,395,176.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.