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Finding the Third Proportional to 73,301,886 and 144,753,516

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Solution

The third proportional to 73,301,886 and 144,753,516 is: 285,853,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,301,886 : 144,753,516 = 144,753,516 : x
  2. Step 2: Convert to fraction form
    73,301,886/144,753,516 = 144,753,516/x
  3. Step 3: Cross multiply
    73,301,886x = 144,753,516 × 144,753,516
  4. Step 4: Simplify right side
    73,301,886x = 20,953,580,394,362,256
  5. Step 5: Solve for x
    x = 20,953,580,394,362,256/73,301,886
  6. Step 6: Final answer
    x = 285,853,223.40

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.