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Finding the Third Proportional to 28,240,830 and 61,660,620

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Solution

The third proportional to 28,240,830 and 61,660,620 is: 134,628,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240,830 : 61,660,620 = 61,660,620 : x
  2. Step 2: Convert to fraction form
    28,240,830/61,660,620 = 61,660,620/x
  3. Step 3: Cross multiply
    28,240,830x = 61,660,620 × 61,660,620
  4. Step 4: Simplify right side
    28,240,830x = 3,802,032,058,784,400
  5. Step 5: Solve for x
    x = 3,802,032,058,784,400/28,240,830
  6. Step 6: Final answer
    x = 134,628,906.40

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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.