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Finding the Third Proportional to 38,872,228 and 89,991,658

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Solution

The third proportional to 38,872,228 and 89,991,658 is: 208,336,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872,228 : 89,991,658 = 89,991,658 : x
  2. Step 2: Convert to fraction form
    38,872,228/89,991,658 = 89,991,658/x
  3. Step 3: Cross multiply
    38,872,228x = 89,991,658 × 89,991,658
  4. Step 4: Simplify right side
    38,872,228x = 8,098,498,509,588,964
  5. Step 5: Solve for x
    x = 8,098,498,509,588,964/38,872,228
  6. Step 6: Final answer
    x = 208,336,360.59

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.