Home / 287,066-670,502.75

Finding the Third Proportional to 287,066 and 670,502.75

Calculator

Solution

The third proportional to 287,066 and 670,502.75 is: 1,566,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,066 : 670,502.75 = 670,502.75 : x
  2. Step 2: Convert to fraction form
    287,066/670,502.75 = 670,502.75/x
  3. Step 3: Cross multiply
    287,066x = 670,502.75 × 670,502.75
  4. Step 4: Simplify right side
    287,066x = 449,573,937,757.56
  5. Step 5: Solve for x
    x = 449,573,937,757.56/287,066
  6. Step 6: Final answer
    x = 1,566,099.57

Related Problems

Find third proportional to 143,533 and 335,251.38
Half scale
Find third proportional to 574,132 and 1,341,005.50
Double scale
Find third proportional to 287,068 and 670,507
Similar ratio
Find third proportional to 430,599 and 1,005,754.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.