Home / 353,670-768,900

Finding the Third Proportional to 353,670 and 768,900

Calculator

Solution

The third proportional to 353,670 and 768,900 is: 1,671,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,670 : 768,900 = 768,900 : x
  2. Step 2: Convert to fraction form
    353,670/768,900 = 768,900/x
  3. Step 3: Cross multiply
    353,670x = 768,900 × 768,900
  4. Step 4: Simplify right side
    353,670x = 591,207,210,000
  5. Step 5: Solve for x
    x = 591,207,210,000/353,670
  6. Step 6: Final answer
    x = 1,671,635.17

Related Problems

Find third proportional to 176,835 and 384,450
Half scale
Find third proportional to 707,340 and 1,537,800
Double scale
Find third proportional to 353,672 and 768,904
Similar ratio
Find third proportional to 530,505 and 1,153,350
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.