Home / 297,064-641,478

Finding the Third Proportional to 297,064 and 641,478

Calculator

Solution

The third proportional to 297,064 and 641,478 is: 1,385,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,064 : 641,478 = 641,478 : x
  2. Step 2: Convert to fraction form
    297,064/641,478 = 641,478/x
  3. Step 3: Cross multiply
    297,064x = 641,478 × 641,478
  4. Step 4: Simplify right side
    297,064x = 411,494,024,484
  5. Step 5: Solve for x
    x = 411,494,024,484/297,064
  6. Step 6: Final answer
    x = 1,385,203.27

Related Problems

Find third proportional to 148,532 and 320,739
Half scale
Find third proportional to 594,128 and 1,282,956
Double scale
Find third proportional to 297,066 and 641,482
Similar ratio
Find third proportional to 445,596 and 962,217
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.