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Finding the Third Proportional to 83,689,664 and 180,590,720

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Solution

The third proportional to 83,689,664 and 180,590,720 is: 389,689,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,689,664 : 180,590,720 = 180,590,720 : x
  2. Step 2: Convert to fraction form
    83,689,664/180,590,720 = 180,590,720/x
  3. Step 3: Cross multiply
    83,689,664x = 180,590,720 × 180,590,720
  4. Step 4: Simplify right side
    83,689,664x = 32,613,008,150,118,400
  5. Step 5: Solve for x
    x = 32,613,008,150,118,400/83,689,664
  6. Step 6: Final answer
    x = 389,689,796.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.