Home / 328,370-709,132

Finding the Third Proportional to 328,370 and 709,132

Calculator

Solution

The third proportional to 328,370 and 709,132 is: 1,531,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,370 : 709,132 = 709,132 : x
  2. Step 2: Convert to fraction form
    328,370/709,132 = 709,132/x
  3. Step 3: Cross multiply
    328,370x = 709,132 × 709,132
  4. Step 4: Simplify right side
    328,370x = 502,868,193,424
  5. Step 5: Solve for x
    x = 502,868,193,424/328,370
  6. Step 6: Final answer
    x = 1,531,407.23

Related Problems

Find third proportional to 164,185 and 354,566
Half scale
Find third proportional to 656,740 and 1,418,264
Double scale
Find third proportional to 328,372 and 709,136
Similar ratio
Find third proportional to 492,555 and 1,063,698
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.