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Finding the Third Proportional to 30,306,695 and 66,480,922

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Solution

The third proportional to 30,306,695 and 66,480,922 is: 145,832,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306,695 : 66,480,922 = 66,480,922 : x
  2. Step 2: Convert to fraction form
    30,306,695/66,480,922 = 66,480,922/x
  3. Step 3: Cross multiply
    30,306,695x = 66,480,922 × 66,480,922
  4. Step 4: Simplify right side
    30,306,695x = 4,419,712,989,970,084
  5. Step 5: Solve for x
    x = 4,419,712,989,970,084/30,306,695
  6. Step 6: Final answer
    x = 145,832,892.37

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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.