Home / 328,286-705,613

Finding the Third Proportional to 328,286 and 705,613

Calculator

Solution

The third proportional to 328,286 and 705,613 is: 1,516,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,286 : 705,613 = 705,613 : x
  2. Step 2: Convert to fraction form
    328,286/705,613 = 705,613/x
  3. Step 3: Cross multiply
    328,286x = 705,613 × 705,613
  4. Step 4: Simplify right side
    328,286x = 497,889,705,769
  5. Step 5: Solve for x
    x = 497,889,705,769/328,286
  6. Step 6: Final answer
    x = 1,516,633.99

Related Problems

Find third proportional to 164,143 and 352,806.50
Half scale
Find third proportional to 656,572 and 1,411,226
Double scale
Find third proportional to 328,288 and 705,617
Similar ratio
Find third proportional to 492,429 and 1,058,419.50
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.