Home / 454,744-688,460

Finding the Third Proportional to 454,744 and 688,460

Calculator

Solution

The third proportional to 454,744 and 688,460 is: 1,042,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,744 : 688,460 = 688,460 : x
  2. Step 2: Convert to fraction form
    454,744/688,460 = 688,460/x
  3. Step 3: Cross multiply
    454,744x = 688,460 × 688,460
  4. Step 4: Simplify right side
    454,744x = 473,977,171,600
  5. Step 5: Solve for x
    x = 473,977,171,600/454,744
  6. Step 6: Final answer
    x = 1,042,294.50

Related Problems

Find third proportional to 227,372 and 344,230
Half scale
Find third proportional to 909,488 and 1,376,920
Double scale
Find third proportional to 454,746 and 688,463
Similar ratio
Find third proportional to 682,116 and 1,032,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.