Home / 284,644-619,400

Finding the Third Proportional to 284,644 and 619,400

Calculator

Solution

The third proportional to 284,644 and 619,400 is: 1,347,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,644 : 619,400 = 619,400 : x
  2. Step 2: Convert to fraction form
    284,644/619,400 = 619,400/x
  3. Step 3: Cross multiply
    284,644x = 619,400 × 619,400
  4. Step 4: Simplify right side
    284,644x = 383,656,360,000
  5. Step 5: Solve for x
    x = 383,656,360,000/284,644
  6. Step 6: Final answer
    x = 1,347,846.29

Related Problems

Find third proportional to 142,322 and 309,700
Half scale
Find third proportional to 569,288 and 1,238,800
Double scale
Find third proportional to 284,646 and 619,404
Similar ratio
Find third proportional to 426,966 and 929,100
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.