Home / 309,032-651,274

Finding the Third Proportional to 309,032 and 651,274

Calculator

Solution

The third proportional to 309,032 and 651,274 is: 1,372,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,032 : 651,274 = 651,274 : x
  2. Step 2: Convert to fraction form
    309,032/651,274 = 651,274/x
  3. Step 3: Cross multiply
    309,032x = 651,274 × 651,274
  4. Step 4: Simplify right side
    309,032x = 424,157,823,076
  5. Step 5: Solve for x
    x = 424,157,823,076/309,032
  6. Step 6: Final answer
    x = 1,372,536.90

Related Problems

Find third proportional to 154,516 and 325,637
Half scale
Find third proportional to 618,064 and 1,302,548
Double scale
Find third proportional to 309,034 and 651,278
Similar ratio
Find third proportional to 463,548 and 976,911
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.