Home / 479,520-745,038

Finding the Third Proportional to 479,520 and 745,038

Calculator

Solution

The third proportional to 479,520 and 745,038 is: 1,157,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,520 : 745,038 = 745,038 : x
  2. Step 2: Convert to fraction form
    479,520/745,038 = 745,038/x
  3. Step 3: Cross multiply
    479,520x = 745,038 × 745,038
  4. Step 4: Simplify right side
    479,520x = 555,081,621,444
  5. Step 5: Solve for x
    x = 555,081,621,444/479,520
  6. Step 6: Final answer
    x = 1,157,577.62

Related Problems

Find third proportional to 239,760 and 372,519
Half scale
Find third proportional to 959,040 and 1,490,076
Double scale
Find third proportional to 479,522 and 745,041
Similar ratio
Find third proportional to 719,280 and 1,117,557
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.