Home / 8,516,420,948-18,638,312,040

Finding the Third Proportional to 8,516,420,948 and 18,638,312,040

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Solution

The third proportional to 8,516,420,948 and 18,638,312,040 is: 40,790,219,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,420,948 : 18,638,312,040 = 18,638,312,040 : x
  2. Step 2: Convert to fraction form
    8,516,420,948/18,638,312,040 = 18,638,312,040/x
  3. Step 3: Cross multiply
    8,516,420,948x = 18,638,312,040 × 18,638,312,040
  4. Step 4: Simplify right side
    8,516,420,948x = 347,386,675,700,408,975,360
  5. Step 5: Solve for x
    x = 347,386,675,700,408,975,360/8,516,420,948
  6. Step 6: Final answer
    x = 40,790,219,015.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.