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Finding the Third Proportional to 30,718,080 and 65,994,810

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Solution

The third proportional to 30,718,080 and 65,994,810 is: 141,783,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,080 : 65,994,810 = 65,994,810 : x
  2. Step 2: Convert to fraction form
    30,718,080/65,994,810 = 65,994,810/x
  3. Step 3: Cross multiply
    30,718,080x = 65,994,810 × 65,994,810
  4. Step 4: Simplify right side
    30,718,080x = 4,355,314,946,936,100
  5. Step 5: Solve for x
    x = 4,355,314,946,936,100/30,718,080
  6. Step 6: Final answer
    x = 141,783,436.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.