Home / 328,740-707,424

Finding the Third Proportional to 328,740 and 707,424

Calculator

Solution

The third proportional to 328,740 and 707,424 is: 1,522,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,740 : 707,424 = 707,424 : x
  2. Step 2: Convert to fraction form
    328,740/707,424 = 707,424/x
  3. Step 3: Cross multiply
    328,740x = 707,424 × 707,424
  4. Step 4: Simplify right side
    328,740x = 500,448,715,776
  5. Step 5: Solve for x
    x = 500,448,715,776/328,740
  6. Step 6: Final answer
    x = 1,522,323.77

Related Problems

Find third proportional to 164,370 and 353,712
Half scale
Find third proportional to 657,480 and 1,414,848
Double scale
Find third proportional to 328,742 and 707,428
Similar ratio
Find third proportional to 493,110 and 1,061,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.