Home / 351,840-768,200

Finding the Third Proportional to 351,840 and 768,200

Calculator

Solution

The third proportional to 351,840 and 768,200 is: 1,677,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,840 : 768,200 = 768,200 : x
  2. Step 2: Convert to fraction form
    351,840/768,200 = 768,200/x
  3. Step 3: Cross multiply
    351,840x = 768,200 × 768,200
  4. Step 4: Simplify right side
    351,840x = 590,131,240,000
  5. Step 5: Solve for x
    x = 590,131,240,000/351,840
  6. Step 6: Final answer
    x = 1,677,271.60

Related Problems

Find third proportional to 175,920 and 384,100
Half scale
Find third proportional to 703,680 and 1,536,400
Double scale
Find third proportional to 351,842 and 768,204
Similar ratio
Find third proportional to 527,760 and 1,152,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.