Home / 432,586-578,648

Finding the Third Proportional to 432,586 and 578,648

Calculator

Solution

The third proportional to 432,586 and 578,648 is: 774,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,586 : 578,648 = 578,648 : x
  2. Step 2: Convert to fraction form
    432,586/578,648 = 578,648/x
  3. Step 3: Cross multiply
    432,586x = 578,648 × 578,648
  4. Step 4: Simplify right side
    432,586x = 334,833,507,904
  5. Step 5: Solve for x
    x = 334,833,507,904/432,586
  6. Step 6: Final answer
    x = 774,027.61

Related Problems

Find third proportional to 216,293 and 289,324
Half scale
Find third proportional to 865,172 and 1,157,296
Double scale
Find third proportional to 432,588 and 578,651
Similar ratio
Find third proportional to 648,879 and 867,972
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.