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Finding the Third Proportional to 49,902,148 and 109,211,403

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Solution

The third proportional to 49,902,148 and 109,211,403 is: 239,010,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902,148 : 109,211,403 = 109,211,403 : x
  2. Step 2: Convert to fraction form
    49,902,148/109,211,403 = 109,211,403/x
  3. Step 3: Cross multiply
    49,902,148x = 109,211,403 × 109,211,403
  4. Step 4: Simplify right side
    49,902,148x = 11,927,130,545,228,408
  5. Step 5: Solve for x
    x = 11,927,130,545,228,408/49,902,148
  6. Step 6: Final answer
    x = 239,010,363.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.