Home / 339,776-738,520

Finding the Third Proportional to 339,776 and 738,520

Calculator

Solution

The third proportional to 339,776 and 738,520 is: 1,605,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,776 : 738,520 = 738,520 : x
  2. Step 2: Convert to fraction form
    339,776/738,520 = 738,520/x
  3. Step 3: Cross multiply
    339,776x = 738,520 × 738,520
  4. Step 4: Simplify right side
    339,776x = 545,411,790,400
  5. Step 5: Solve for x
    x = 545,411,790,400/339,776
  6. Step 6: Final answer
    x = 1,605,209.87

Related Problems

Find third proportional to 169,888 and 369,260
Half scale
Find third proportional to 679,552 and 1,477,040
Double scale
Find third proportional to 339,778 and 738,524
Similar ratio
Find third proportional to 509,664 and 1,107,780
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.