Home / 372,816-578,340

Finding the Third Proportional to 372,816 and 578,340

Calculator

Solution

The third proportional to 372,816 and 578,340 is: 897,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,816 : 578,340 = 578,340 : x
  2. Step 2: Convert to fraction form
    372,816/578,340 = 578,340/x
  3. Step 3: Cross multiply
    372,816x = 578,340 × 578,340
  4. Step 4: Simplify right side
    372,816x = 334,477,155,600
  5. Step 5: Solve for x
    x = 334,477,155,600/372,816
  6. Step 6: Final answer
    x = 897,164.17

Related Problems

Find third proportional to 186,408 and 289,170
Half scale
Find third proportional to 745,632 and 1,156,680
Double scale
Find third proportional to 372,818 and 578,343
Similar ratio
Find third proportional to 559,224 and 867,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.