Home / 296,896-647,072

Finding the Third Proportional to 296,896 and 647,072

Calculator

Solution

The third proportional to 296,896 and 647,072 is: 1,410,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,896 : 647,072 = 647,072 : x
  2. Step 2: Convert to fraction form
    296,896/647,072 = 647,072/x
  3. Step 3: Cross multiply
    296,896x = 647,072 × 647,072
  4. Step 4: Simplify right side
    296,896x = 418,702,173,184
  5. Step 5: Solve for x
    x = 418,702,173,184/296,896
  6. Step 6: Final answer
    x = 1,410,265.46

Related Problems

Find third proportional to 148,448 and 323,536
Half scale
Find third proportional to 593,792 and 1,294,144
Double scale
Find third proportional to 296,898 and 647,076
Similar ratio
Find third proportional to 445,344 and 970,608
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.