Home / 196,447-428,877

Finding the Third Proportional to 196,447 and 428,877

Calculator

Solution

The third proportional to 196,447 and 428,877 is: 936,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,447 : 428,877 = 428,877 : x
  2. Step 2: Convert to fraction form
    196,447/428,877 = 428,877/x
  3. Step 3: Cross multiply
    196,447x = 428,877 × 428,877
  4. Step 4: Simplify right side
    196,447x = 183,935,481,129
  5. Step 5: Solve for x
    x = 183,935,481,129/196,447
  6. Step 6: Final answer
    x = 936,310.97

Related Problems

Find third proportional to 98,223.50 and 214,438.50
Half scale
Find third proportional to 392,894 and 857,754
Double scale
Find third proportional to 196,449 and 428,881
Similar ratio
Find third proportional to 294,670.50 and 643,315.50
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.