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Finding the Third Proportional to 38,653,810 and 82,840,798

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Solution

The third proportional to 38,653,810 and 82,840,798 is: 177,540,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653,810 : 82,840,798 = 82,840,798 : x
  2. Step 2: Convert to fraction form
    38,653,810/82,840,798 = 82,840,798/x
  3. Step 3: Cross multiply
    38,653,810x = 82,840,798 × 82,840,798
  4. Step 4: Simplify right side
    38,653,810x = 6,862,597,813,276,804
  5. Step 5: Solve for x
    x = 6,862,597,813,276,804/38,653,810
  6. Step 6: Final answer
    x = 177,540,009.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.