Home / 297,090-641,526

Finding the Third Proportional to 297,090 and 641,526

Calculator

Solution

The third proportional to 297,090 and 641,526 is: 1,385,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,090 : 641,526 = 641,526 : x
  2. Step 2: Convert to fraction form
    297,090/641,526 = 641,526/x
  3. Step 3: Cross multiply
    297,090x = 641,526 × 641,526
  4. Step 4: Simplify right side
    297,090x = 411,555,608,676
  5. Step 5: Solve for x
    x = 411,555,608,676/297,090
  6. Step 6: Final answer
    x = 1,385,289.34

Related Problems

Find third proportional to 148,545 and 320,763
Half scale
Find third proportional to 594,180 and 1,283,052
Double scale
Find third proportional to 297,092 and 641,530
Similar ratio
Find third proportional to 445,635 and 962,289
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.