Home / 149,903-322,040

Finding the Third Proportional to 149,903 and 322,040

Calculator

Solution

The third proportional to 149,903 and 322,040 is: 691,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,903 : 322,040 = 322,040 : x
  2. Step 2: Convert to fraction form
    149,903/322,040 = 322,040/x
  3. Step 3: Cross multiply
    149,903x = 322,040 × 322,040
  4. Step 4: Simplify right side
    149,903x = 103,709,761,600
  5. Step 5: Solve for x
    x = 103,709,761,600/149,903
  6. Step 6: Final answer
    x = 691,845.80

Related Problems

Find third proportional to 74,951.50 and 161,020
Half scale
Find third proportional to 299,806 and 644,080
Double scale
Find third proportional to 149,905 and 322,044
Similar ratio
Find third proportional to 224,854.50 and 483,060
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.