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Finding the Third Proportional to 30,359,484 and 66,625,568

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Solution

The third proportional to 30,359,484 and 66,625,568 is: 146,213,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359,484 : 66,625,568 = 66,625,568 : x
  2. Step 2: Convert to fraction form
    30,359,484/66,625,568 = 66,625,568/x
  3. Step 3: Cross multiply
    30,359,484x = 66,625,568 × 66,625,568
  4. Step 4: Simplify right side
    30,359,484x = 4,438,966,311,322,624
  5. Step 5: Solve for x
    x = 4,438,966,311,322,624/30,359,484
  6. Step 6: Final answer
    x = 146,213,496.62

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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.