Home / 286,143-616,574

Finding the Third Proportional to 286,143 and 616,574

Calculator

Solution

The third proportional to 286,143 and 616,574 is: 1,328,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,143 : 616,574 = 616,574 : x
  2. Step 2: Convert to fraction form
    286,143/616,574 = 616,574/x
  3. Step 3: Cross multiply
    286,143x = 616,574 × 616,574
  4. Step 4: Simplify right side
    286,143x = 380,163,497,476
  5. Step 5: Solve for x
    x = 380,163,497,476/286,143
  6. Step 6: Final answer
    x = 1,328,578.71

Related Problems

Find third proportional to 143,071.50 and 308,287
Half scale
Find third proportional to 572,286 and 1,233,148
Double scale
Find third proportional to 286,145 and 616,578
Similar ratio
Find third proportional to 429,214.50 and 924,861
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.