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Finding the Third Proportional to 555,408,690 and 1,194,404,520

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Solution

The third proportional to 555,408,690 and 1,194,404,520 is: 2,568,562,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,408,690 : 1,194,404,520 = 1,194,404,520 : x
  2. Step 2: Convert to fraction form
    555,408,690/1,194,404,520 = 1,194,404,520/x
  3. Step 3: Cross multiply
    555,408,690x = 1,194,404,520 × 1,194,404,520
  4. Step 4: Simplify right side
    555,408,690x = 1,426,602,157,396,430,336
  5. Step 5: Solve for x
    x = 1,426,602,157,396,430,336/555,408,690
  6. Step 6: Final answer
    x = 2,568,562,903.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.