Home / 421,812-601,159.50

Finding the Third Proportional to 421,812 and 601,159.50

Calculator

Solution

The third proportional to 421,812 and 601,159.50 is: 856,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,812 : 601,159.50 = 601,159.50 : x
  2. Step 2: Convert to fraction form
    421,812/601,159.50 = 601,159.50/x
  3. Step 3: Cross multiply
    421,812x = 601,159.50 × 601,159.50
  4. Step 4: Simplify right side
    421,812x = 361,392,744,440.25
  5. Step 5: Solve for x
    x = 361,392,744,440.25/421,812
  6. Step 6: Final answer
    x = 856,762.60

Related Problems

Find third proportional to 210,906 and 300,579.75
Half scale
Find third proportional to 843,624 and 1,202,319
Double scale
Find third proportional to 421,814 and 601,162
Similar ratio
Find third proportional to 632,718 and 901,739.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.