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Finding the Third Proportional to 42,033,616 and 90,551,520

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Solution

The third proportional to 42,033,616 and 90,551,520 is: 195,071,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033,616 : 90,551,520 = 90,551,520 : x
  2. Step 2: Convert to fraction form
    42,033,616/90,551,520 = 90,551,520/x
  3. Step 3: Cross multiply
    42,033,616x = 90,551,520 × 90,551,520
  4. Step 4: Simplify right side
    42,033,616x = 8,199,577,774,310,400
  5. Step 5: Solve for x
    x = 8,199,577,774,310,400/42,033,616
  6. Step 6: Final answer
    x = 195,071,910.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.