Home / 360,080-783,640

Finding the Third Proportional to 360,080 and 783,640

Calculator

Solution

The third proportional to 360,080 and 783,640 is: 1,705,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,080 : 783,640 = 783,640 : x
  2. Step 2: Convert to fraction form
    360,080/783,640 = 783,640/x
  3. Step 3: Cross multiply
    360,080x = 783,640 × 783,640
  4. Step 4: Simplify right side
    360,080x = 614,091,649,600
  5. Step 5: Solve for x
    x = 614,091,649,600/360,080
  6. Step 6: Final answer
    x = 1,705,431.15

Related Problems

Find third proportional to 180,040 and 391,820
Half scale
Find third proportional to 720,160 and 1,567,280
Double scale
Find third proportional to 360,082 and 783,644
Similar ratio
Find third proportional to 540,120 and 1,175,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.