Home / 172,697-371,638

Finding the Third Proportional to 172,697 and 371,638

Calculator

Solution

The third proportional to 172,697 and 371,638 is: 799,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,697 : 371,638 = 371,638 : x
  2. Step 2: Convert to fraction form
    172,697/371,638 = 371,638/x
  3. Step 3: Cross multiply
    172,697x = 371,638 × 371,638
  4. Step 4: Simplify right side
    172,697x = 138,114,803,044
  5. Step 5: Solve for x
    x = 138,114,803,044/172,697
  6. Step 6: Final answer
    x = 799,752.18

Related Problems

Find third proportional to 86,348.50 and 185,819
Half scale
Find third proportional to 345,394 and 743,276
Double scale
Find third proportional to 172,699 and 371,642
Similar ratio
Find third proportional to 259,045.50 and 557,457
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.