Home / 190,971-420,076

Finding the Third Proportional to 190,971 and 420,076

Calculator

Solution

The third proportional to 190,971 and 420,076 is: 924,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,971 : 420,076 = 420,076 : x
  2. Step 2: Convert to fraction form
    190,971/420,076 = 420,076/x
  3. Step 3: Cross multiply
    190,971x = 420,076 × 420,076
  4. Step 4: Simplify right side
    190,971x = 176,463,845,776
  5. Step 5: Solve for x
    x = 176,463,845,776/190,971
  6. Step 6: Final answer
    x = 924,034.78

Related Problems

Find third proportional to 95,485.50 and 210,038
Half scale
Find third proportional to 381,942 and 840,152
Double scale
Find third proportional to 190,973 and 420,080
Similar ratio
Find third proportional to 286,456.50 and 630,114
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.