Home / 689,406-1,029,937.50

Finding the Third Proportional to 689,406 and 1,029,937.50

Calculator

Solution

The third proportional to 689,406 and 1,029,937.50 is: 1,538,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,406 : 1,029,937.50 = 1,029,937.50 : x
  2. Step 2: Convert to fraction form
    689,406/1,029,937.50 = 1,029,937.50/x
  3. Step 3: Cross multiply
    689,406x = 1,029,937.50 × 1,029,937.50
  4. Step 4: Simplify right side
    689,406x = 1,060,771,253,906.25
  5. Step 5: Solve for x
    x = 1,060,771,253,906.25/689,406
  6. Step 6: Final answer
    x = 1,538,674.24

Related Problems

Find third proportional to 344,703 and 514,968.75
Half scale
Find third proportional to 1,378,812 and 2,059,875
Double scale
Find third proportional to 689,408 and 1,029,940
Similar ratio
Find third proportional to 1,034,109 and 1,544,906.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.