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Finding the Third Proportional to 30,449,320 and 46,638,449

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Solution

The third proportional to 30,449,320 and 46,638,449 is: 71,434,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449,320 : 46,638,449 = 46,638,449 : x
  2. Step 2: Convert to fraction form
    30,449,320/46,638,449 = 46,638,449/x
  3. Step 3: Cross multiply
    30,449,320x = 46,638,449 × 46,638,449
  4. Step 4: Simplify right side
    30,449,320x = 2,175,144,925,125,601
  5. Step 5: Solve for x
    x = 2,175,144,925,125,601/30,449,320
  6. Step 6: Final answer
    x = 71,434,926.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.