Home / 455,776-707,556

Finding the Third Proportional to 455,776 and 707,556

Calculator

Solution

The third proportional to 455,776 and 707,556 is: 1,098,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,776 : 707,556 = 707,556 : x
  2. Step 2: Convert to fraction form
    455,776/707,556 = 707,556/x
  3. Step 3: Cross multiply
    455,776x = 707,556 × 707,556
  4. Step 4: Simplify right side
    455,776x = 500,635,493,136
  5. Step 5: Solve for x
    x = 500,635,493,136/455,776
  6. Step 6: Final answer
    x = 1,098,424.43

Related Problems

Find third proportional to 227,888 and 353,778
Half scale
Find third proportional to 911,552 and 1,415,112
Double scale
Find third proportional to 455,778 and 707,559
Similar ratio
Find third proportional to 683,664 and 1,061,334
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.