Home / 328,435-710,845

Finding the Third Proportional to 328,435 and 710,845

Calculator

Solution

The third proportional to 328,435 and 710,845 is: 1,538,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,435 : 710,845 = 710,845 : x
  2. Step 2: Convert to fraction form
    328,435/710,845 = 710,845/x
  3. Step 3: Cross multiply
    328,435x = 710,845 × 710,845
  4. Step 4: Simplify right side
    328,435x = 505,300,614,025
  5. Step 5: Solve for x
    x = 505,300,614,025/328,435
  6. Step 6: Final answer
    x = 1,538,510.25

Related Problems

Find third proportional to 164,217.50 and 355,422.50
Half scale
Find third proportional to 656,870 and 1,421,690
Double scale
Find third proportional to 328,437 and 710,849
Similar ratio
Find third proportional to 492,652.50 and 1,066,267.50
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.