Home / 478,951-798,220

Finding the Third Proportional to 478,951 and 798,220

Calculator

Solution

The third proportional to 478,951 and 798,220 is: 1,330,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,951 : 798,220 = 798,220 : x
  2. Step 2: Convert to fraction form
    478,951/798,220 = 798,220/x
  3. Step 3: Cross multiply
    478,951x = 798,220 × 798,220
  4. Step 4: Simplify right side
    478,951x = 637,155,168,400
  5. Step 5: Solve for x
    x = 637,155,168,400/478,951
  6. Step 6: Final answer
    x = 1,330,313.89

Related Problems

Find third proportional to 239,475.50 and 399,110
Half scale
Find third proportional to 957,902 and 1,596,440
Double scale
Find third proportional to 478,953 and 798,223
Similar ratio
Find third proportional to 718,426.50 and 1,197,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.