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Finding the Third Proportional to 105,864,918 and 229,317,147

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Solution

The third proportional to 105,864,918 and 229,317,147 is: 496,730,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,864,918 : 229,317,147 = 229,317,147 : x
  2. Step 2: Convert to fraction form
    105,864,918/229,317,147 = 229,317,147/x
  3. Step 3: Cross multiply
    105,864,918x = 229,317,147 × 229,317,147
  4. Step 4: Simplify right side
    105,864,918x = 52,586,353,908,219,608
  5. Step 5: Solve for x
    x = 52,586,353,908,219,608/105,864,918
  6. Step 6: Final answer
    x = 496,730,691.35

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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.