Home / 296,727-642,696

Finding the Third Proportional to 296,727 and 642,696

Calculator

Solution

The third proportional to 296,727 and 642,696 is: 1,392,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,727 : 642,696 = 642,696 : x
  2. Step 2: Convert to fraction form
    296,727/642,696 = 642,696/x
  3. Step 3: Cross multiply
    296,727x = 642,696 × 642,696
  4. Step 4: Simplify right side
    296,727x = 413,058,148,416
  5. Step 5: Solve for x
    x = 413,058,148,416/296,727
  6. Step 6: Final answer
    x = 1,392,047.74

Related Problems

Find third proportional to 148,363.50 and 321,348
Half scale
Find third proportional to 593,454 and 1,285,392
Double scale
Find third proportional to 296,729 and 642,700
Similar ratio
Find third proportional to 445,090.50 and 964,044
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.