Home / 307,070-666,590

Finding the Third Proportional to 307,070 and 666,590

Calculator

Solution

The third proportional to 307,070 and 666,590 is: 1,447,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,070 : 666,590 = 666,590 : x
  2. Step 2: Convert to fraction form
    307,070/666,590 = 666,590/x
  3. Step 3: Cross multiply
    307,070x = 666,590 × 666,590
  4. Step 4: Simplify right side
    307,070x = 444,342,228,100
  5. Step 5: Solve for x
    x = 444,342,228,100/307,070
  6. Step 6: Final answer
    x = 1,447,038.88

Related Problems

Find third proportional to 153,535 and 333,295
Half scale
Find third proportional to 614,140 and 1,333,180
Double scale
Find third proportional to 307,072 and 666,594
Similar ratio
Find third proportional to 460,605 and 999,885
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.