Home / 385,969-551,433

Finding the Third Proportional to 385,969 and 551,433

Calculator

Solution

The third proportional to 385,969 and 551,433 is: 787,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,969 : 551,433 = 551,433 : x
  2. Step 2: Convert to fraction form
    385,969/551,433 = 551,433/x
  3. Step 3: Cross multiply
    385,969x = 551,433 × 551,433
  4. Step 4: Simplify right side
    385,969x = 304,078,353,489
  5. Step 5: Solve for x
    x = 304,078,353,489/385,969
  6. Step 6: Final answer
    x = 787,831.03

Related Problems

Find third proportional to 192,984.50 and 275,716.50
Half scale
Find third proportional to 771,938 and 1,102,866
Double scale
Find third proportional to 385,971 and 551,436
Similar ratio
Find third proportional to 578,953.50 and 827,149.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.