Home / 297,022-640,412

Finding the Third Proportional to 297,022 and 640,412

Calculator

Solution

The third proportional to 297,022 and 640,412 is: 1,380,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,022 : 640,412 = 640,412 : x
  2. Step 2: Convert to fraction form
    297,022/640,412 = 640,412/x
  3. Step 3: Cross multiply
    297,022x = 640,412 × 640,412
  4. Step 4: Simplify right side
    297,022x = 410,127,529,744
  5. Step 5: Solve for x
    x = 410,127,529,744/297,022
  6. Step 6: Final answer
    x = 1,380,798.49

Related Problems

Find third proportional to 148,511 and 320,206
Half scale
Find third proportional to 594,044 and 1,280,824
Double scale
Find third proportional to 297,024 and 640,416
Similar ratio
Find third proportional to 445,533 and 960,618
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.