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Finding the Third Proportional to 30,970,134 and 48,148,209

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Solution

The third proportional to 30,970,134 and 48,148,209 is: 74,854,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970,134 : 48,148,209 = 48,148,209 : x
  2. Step 2: Convert to fraction form
    30,970,134/48,148,209 = 48,148,209/x
  3. Step 3: Cross multiply
    30,970,134x = 48,148,209 × 48,148,209
  4. Step 4: Simplify right side
    30,970,134x = 2,318,250,029,907,681
  5. Step 5: Solve for x
    x = 2,318,250,029,907,681/30,970,134
  6. Step 6: Final answer
    x = 74,854,375.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.