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Finding the Third Proportional to 55,512,891 and 120,292,779.38

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Solution

The third proportional to 55,512,891 and 120,292,779.38 is: 260,666,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512,891 : 120,292,779.38 = 120,292,779.38 : x
  2. Step 2: Convert to fraction form
    55,512,891/120,292,779.38 = 120,292,779.38/x
  3. Step 3: Cross multiply
    55,512,891x = 120,292,779.38 × 120,292,779.38
  4. Step 4: Simplify right side
    55,512,891x = 14,470,352,769,762,426
  5. Step 5: Solve for x
    x = 14,470,352,769,762,426/55,512,891
  6. Step 6: Final answer
    x = 260,666,531.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.