Home / 289,177-432,064

Finding the Third Proportional to 289,177 and 432,064

Calculator

Solution

The third proportional to 289,177 and 432,064 is: 645,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,177 : 432,064 = 432,064 : x
  2. Step 2: Convert to fraction form
    289,177/432,064 = 432,064/x
  3. Step 3: Cross multiply
    289,177x = 432,064 × 432,064
  4. Step 4: Simplify right side
    289,177x = 186,679,300,096
  5. Step 5: Solve for x
    x = 186,679,300,096/289,177
  6. Step 6: Final answer
    x = 645,553.76

Related Problems

Find third proportional to 144,588.50 and 216,032
Half scale
Find third proportional to 578,354 and 864,128
Double scale
Find third proportional to 289,179 and 432,067
Similar ratio
Find third proportional to 433,765.50 and 648,096
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.