Home / 18,828,465,021-40,966,507,393.50

Finding the Third Proportional to 18,828,465,021 and 40,966,507,393.50

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Solution

The third proportional to 18,828,465,021 and 40,966,507,393.50 is: 89,133,911,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,465,021 : 40,966,507,393.50 = 40,966,507,393.50 : x
  2. Step 2: Convert to fraction form
    18,828,465,021/40,966,507,393.50 = 40,966,507,393.50/x
  3. Step 3: Cross multiply
    18,828,465,021x = 40,966,507,393.50 × 40,966,507,393.50
  4. Step 4: Simplify right side
    18,828,465,021x = 1,678,254,728,021,690,286,080
  5. Step 5: Solve for x
    x = 1,678,254,728,021,690,286,080/18,828,465,021
  6. Step 6: Final answer
    x = 89,133,911,136.67

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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.