Home / 316,080-684,864

Finding the Third Proportional to 316,080 and 684,864

Calculator

Solution

The third proportional to 316,080 and 684,864 is: 1,483,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,080 : 684,864 = 684,864 : x
  2. Step 2: Convert to fraction form
    316,080/684,864 = 684,864/x
  3. Step 3: Cross multiply
    316,080x = 684,864 × 684,864
  4. Step 4: Simplify right side
    316,080x = 469,038,698,496
  5. Step 5: Solve for x
    x = 469,038,698,496/316,080
  6. Step 6: Final answer
    x = 1,483,924.00

Related Problems

Find third proportional to 158,040 and 342,432
Half scale
Find third proportional to 632,160 and 1,369,728
Double scale
Find third proportional to 316,082 and 684,868
Similar ratio
Find third proportional to 474,120 and 1,027,296
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.