Home / 145,112,000-315,732,708

Finding the Third Proportional to 145,112,000 and 315,732,708

Calculator

Solution

The third proportional to 145,112,000 and 315,732,708 is: 686,966,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,112,000 : 315,732,708 = 315,732,708 : x
  2. Step 2: Convert to fraction form
    145,112,000/315,732,708 = 315,732,708/x
  3. Step 3: Cross multiply
    145,112,000x = 315,732,708 × 315,732,708
  4. Step 4: Simplify right side
    145,112,000x = 99,687,142,901,013,264
  5. Step 5: Solve for x
    x = 99,687,142,901,013,264/145,112,000
  6. Step 6: Final answer
    x = 686,966,914.53

Related Problems

Find third proportional to 72,556,000 and 157,866,354
Half scale
Find third proportional to 290,224,000 and 631,465,416
Double scale
Find third proportional to 145,112,002 and 315,732,712
Similar ratio
Find third proportional to 217,668,000 and 473,599,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.