Home / 254,319-345,402

Finding the Third Proportional to 254,319 and 345,402

Calculator

Solution

The third proportional to 254,319 and 345,402 is: 469,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,319 : 345,402 = 345,402 : x
  2. Step 2: Convert to fraction form
    254,319/345,402 = 345,402/x
  3. Step 3: Cross multiply
    254,319x = 345,402 × 345,402
  4. Step 4: Simplify right side
    254,319x = 119,302,541,604
  5. Step 5: Solve for x
    x = 119,302,541,604/254,319
  6. Step 6: Final answer
    x = 469,105.89

Related Problems

Find third proportional to 127,159.50 and 172,701
Half scale
Find third proportional to 508,638 and 690,804
Double scale
Find third proportional to 254,321 and 345,405
Similar ratio
Find third proportional to 381,478.50 and 518,103
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.