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Finding the Third Proportional to 30,640,156 and 47,507,658

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Solution

The third proportional to 30,640,156 and 47,507,658 is: 73,660,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,156 : 47,507,658 = 47,507,658 : x
  2. Step 2: Convert to fraction form
    30,640,156/47,507,658 = 47,507,658/x
  3. Step 3: Cross multiply
    30,640,156x = 47,507,658 × 47,507,658
  4. Step 4: Simplify right side
    30,640,156x = 2,256,977,568,644,964
  5. Step 5: Solve for x
    x = 2,256,977,568,644,964/30,640,156
  6. Step 6: Final answer
    x = 73,660,772.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.