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Finding the Third Proportional to 30,610,717 and 66,602,041

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Solution

The third proportional to 30,610,717 and 66,602,041 is: 144,911,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,717 : 66,602,041 = 66,602,041 : x
  2. Step 2: Convert to fraction form
    30,610,717/66,602,041 = 66,602,041/x
  3. Step 3: Cross multiply
    30,610,717x = 66,602,041 × 66,602,041
  4. Step 4: Simplify right side
    30,610,717x = 4,435,831,865,365,681
  5. Step 5: Solve for x
    x = 4,435,831,865,365,681/30,610,717
  6. Step 6: Final answer
    x = 144,911,073.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.