Home / 397,685-602,310

Finding the Third Proportional to 397,685 and 602,310

Calculator

Solution

The third proportional to 397,685 and 602,310 is: 912,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,685 : 602,310 = 602,310 : x
  2. Step 2: Convert to fraction form
    397,685/602,310 = 602,310/x
  3. Step 3: Cross multiply
    397,685x = 602,310 × 602,310
  4. Step 4: Simplify right side
    397,685x = 362,777,336,100
  5. Step 5: Solve for x
    x = 362,777,336,100/397,685
  6. Step 6: Final answer
    x = 912,222.83

Related Problems

Find third proportional to 198,842.50 and 301,155
Half scale
Find third proportional to 795,370 and 1,204,620
Double scale
Find third proportional to 397,687 and 602,313
Similar ratio
Find third proportional to 596,527.50 and 903,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.