Home / 387,315-592,120

Finding the Third Proportional to 387,315 and 592,120

Calculator

Solution

The third proportional to 387,315 and 592,120 is: 905,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,315 : 592,120 = 592,120 : x
  2. Step 2: Convert to fraction form
    387,315/592,120 = 592,120/x
  3. Step 3: Cross multiply
    387,315x = 592,120 × 592,120
  4. Step 4: Simplify right side
    387,315x = 350,606,094,400
  5. Step 5: Solve for x
    x = 350,606,094,400/387,315
  6. Step 6: Final answer
    x = 905,222.09

Related Problems

Find third proportional to 193,657.50 and 296,060
Half scale
Find third proportional to 774,630 and 1,184,240
Double scale
Find third proportional to 387,317 and 592,123
Similar ratio
Find third proportional to 580,972.50 and 888,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.