Home / 340,388-476,996

Finding the Third Proportional to 340,388 and 476,996

Calculator

Solution

The third proportional to 340,388 and 476,996 is: 668,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,388 : 476,996 = 476,996 : x
  2. Step 2: Convert to fraction form
    340,388/476,996 = 476,996/x
  3. Step 3: Cross multiply
    340,388x = 476,996 × 476,996
  4. Step 4: Simplify right side
    340,388x = 227,525,184,016
  5. Step 5: Solve for x
    x = 227,525,184,016/340,388
  6. Step 6: Final answer
    x = 668,428.92

Related Problems

Find third proportional to 170,194 and 238,498
Half scale
Find third proportional to 680,776 and 953,992
Double scale
Find third proportional to 340,390 and 476,999
Similar ratio
Find third proportional to 510,582 and 715,494
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.