Home / 298,566-439,038

Finding the Third Proportional to 298,566 and 439,038

Calculator

Solution

The third proportional to 298,566 and 439,038 is: 645,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,566 : 439,038 = 439,038 : x
  2. Step 2: Convert to fraction form
    298,566/439,038 = 439,038/x
  3. Step 3: Cross multiply
    298,566x = 439,038 × 439,038
  4. Step 4: Simplify right side
    298,566x = 192,754,365,444
  5. Step 5: Solve for x
    x = 192,754,365,444/298,566
  6. Step 6: Final answer
    x = 645,600.52

Related Problems

Find third proportional to 149,283 and 219,519
Half scale
Find third proportional to 597,132 and 878,076
Double scale
Find third proportional to 298,568 and 439,041
Similar ratio
Find third proportional to 447,849 and 658,557
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.