Home / 297,330-641,316

Finding the Third Proportional to 297,330 and 641,316

Calculator

Solution

The third proportional to 297,330 and 641,316 is: 1,383,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,330 : 641,316 = 641,316 : x
  2. Step 2: Convert to fraction form
    297,330/641,316 = 641,316/x
  3. Step 3: Cross multiply
    297,330x = 641,316 × 641,316
  4. Step 4: Simplify right side
    297,330x = 411,286,211,856
  5. Step 5: Solve for x
    x = 411,286,211,856/297,330
  6. Step 6: Final answer
    x = 1,383,265.10

Related Problems

Find third proportional to 148,665 and 320,658
Half scale
Find third proportional to 594,660 and 1,282,632
Double scale
Find third proportional to 297,332 and 641,320
Similar ratio
Find third proportional to 445,995 and 961,974
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.