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Finding the Third Proportional to 30,044,415 and 64,878,198

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Solution

The third proportional to 30,044,415 and 64,878,198 is: 140,098,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044,415 : 64,878,198 = 64,878,198 : x
  2. Step 2: Convert to fraction form
    30,044,415/64,878,198 = 64,878,198/x
  3. Step 3: Cross multiply
    30,044,415x = 64,878,198 × 64,878,198
  4. Step 4: Simplify right side
    30,044,415x = 4,209,180,575,727,204
  5. Step 5: Solve for x
    x = 4,209,180,575,727,204/30,044,415
  6. Step 6: Final answer
    x = 140,098,603.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.