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Finding the Third Proportional to 28,257,820 and 61,032,520

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Solution

The third proportional to 28,257,820 and 61,032,520 is: 131,820,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257,820 : 61,032,520 = 61,032,520 : x
  2. Step 2: Convert to fraction form
    28,257,820/61,032,520 = 61,032,520/x
  3. Step 3: Cross multiply
    28,257,820x = 61,032,520 × 61,032,520
  4. Step 4: Simplify right side
    28,257,820x = 3,724,968,497,550,400
  5. Step 5: Solve for x
    x = 3,724,968,497,550,400/28,257,820
  6. Step 6: Final answer
    x = 131,820,802.08

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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.