Home / 438,098-676,492

Finding the Third Proportional to 438,098 and 676,492

Calculator

Solution

The third proportional to 438,098 and 676,492 is: 1,044,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,098 : 676,492 = 676,492 : x
  2. Step 2: Convert to fraction form
    438,098/676,492 = 676,492/x
  3. Step 3: Cross multiply
    438,098x = 676,492 × 676,492
  4. Step 4: Simplify right side
    438,098x = 457,641,426,064
  5. Step 5: Solve for x
    x = 457,641,426,064/438,098
  6. Step 6: Final answer
    x = 1,044,609.71

Related Problems

Find third proportional to 219,049 and 338,246
Half scale
Find third proportional to 876,196 and 1,352,984
Double scale
Find third proportional to 438,100 and 676,495
Similar ratio
Find third proportional to 657,147 and 1,014,738
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.