Home / 159,498-345,402

Finding the Third Proportional to 159,498 and 345,402

Calculator

Solution

The third proportional to 159,498 and 345,402 is: 747,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,498 : 345,402 = 345,402 : x
  2. Step 2: Convert to fraction form
    159,498/345,402 = 345,402/x
  3. Step 3: Cross multiply
    159,498x = 345,402 × 345,402
  4. Step 4: Simplify right side
    159,498x = 119,302,541,604
  5. Step 5: Solve for x
    x = 119,302,541,604/159,498
  6. Step 6: Final answer
    x = 747,987.70

Related Problems

Find third proportional to 79,749 and 172,701
Half scale
Find third proportional to 318,996 and 690,804
Double scale
Find third proportional to 159,500 and 345,406
Similar ratio
Find third proportional to 239,247 and 518,103
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.