Home / 455,560-665,776

Finding the Third Proportional to 455,560 and 665,776

Calculator

Solution

The third proportional to 455,560 and 665,776 is: 972,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,560 : 665,776 = 665,776 : x
  2. Step 2: Convert to fraction form
    455,560/665,776 = 665,776/x
  3. Step 3: Cross multiply
    455,560x = 665,776 × 665,776
  4. Step 4: Simplify right side
    455,560x = 443,257,682,176
  5. Step 5: Solve for x
    x = 443,257,682,176/455,560
  6. Step 6: Final answer
    x = 972,995.18

Related Problems

Find third proportional to 227,780 and 332,888
Half scale
Find third proportional to 911,120 and 1,331,552
Double scale
Find third proportional to 455,562 and 665,779
Similar ratio
Find third proportional to 683,340 and 998,664
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.