Home / 284,911-442,907

Finding the Third Proportional to 284,911 and 442,907

Calculator

Solution

The third proportional to 284,911 and 442,907 is: 688,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,911 : 442,907 = 442,907 : x
  2. Step 2: Convert to fraction form
    284,911/442,907 = 442,907/x
  3. Step 3: Cross multiply
    284,911x = 442,907 × 442,907
  4. Step 4: Simplify right side
    284,911x = 196,166,610,649
  5. Step 5: Solve for x
    x = 196,166,610,649/284,911
  6. Step 6: Final answer
    x = 688,518.91

Related Problems

Find third proportional to 142,455.50 and 221,453.50
Half scale
Find third proportional to 569,822 and 885,814
Double scale
Find third proportional to 284,913 and 442,910
Similar ratio
Find third proportional to 427,366.50 and 664,360.50
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.