Home / 488,612-747,450

Finding the Third Proportional to 488,612 and 747,450

Calculator

Solution

The third proportional to 488,612 and 747,450 is: 1,143,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,612 : 747,450 = 747,450 : x
  2. Step 2: Convert to fraction form
    488,612/747,450 = 747,450/x
  3. Step 3: Cross multiply
    488,612x = 747,450 × 747,450
  4. Step 4: Simplify right side
    488,612x = 558,681,502,500
  5. Step 5: Solve for x
    x = 558,681,502,500/488,612
  6. Step 6: Final answer
    x = 1,143,405.20

Related Problems

Find third proportional to 244,306 and 373,725
Half scale
Find third proportional to 977,224 and 1,494,900
Double scale
Find third proportional to 488,614 and 747,453
Similar ratio
Find third proportional to 732,918 and 1,121,175
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.