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Finding the Third Proportional to 53,789,208 and 80,738,892

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Solution

The third proportional to 53,789,208 and 80,738,892 is: 121,191,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789,208 : 80,738,892 = 80,738,892 : x
  2. Step 2: Convert to fraction form
    53,789,208/80,738,892 = 80,738,892/x
  3. Step 3: Cross multiply
    53,789,208x = 80,738,892 × 80,738,892
  4. Step 4: Simplify right side
    53,789,208x = 6,518,768,681,387,664
  5. Step 5: Solve for x
    x = 6,518,768,681,387,664/53,789,208
  6. Step 6: Final answer
    x = 121,191,014.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.