Home / 357,690-530,382

Finding the Third Proportional to 357,690 and 530,382

Calculator

Solution

The third proportional to 357,690 and 530,382 is: 786,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,690 : 530,382 = 530,382 : x
  2. Step 2: Convert to fraction form
    357,690/530,382 = 530,382/x
  3. Step 3: Cross multiply
    357,690x = 530,382 × 530,382
  4. Step 4: Simplify right side
    357,690x = 281,305,065,924
  5. Step 5: Solve for x
    x = 281,305,065,924/357,690
  6. Step 6: Final answer
    x = 786,449.34

Related Problems

Find third proportional to 178,845 and 265,191
Half scale
Find third proportional to 715,380 and 1,060,764
Double scale
Find third proportional to 357,692 and 530,385
Similar ratio
Find third proportional to 536,535 and 795,573
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.