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Finding the Third Proportional to 17,731,179 and 38,488,936.50

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Solution

The third proportional to 17,731,179 and 38,488,936.50 is: 83,547,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731,179 : 38,488,936.50 = 38,488,936.50 : x
  2. Step 2: Convert to fraction form
    17,731,179/38,488,936.50 = 38,488,936.50/x
  3. Step 3: Cross multiply
    17,731,179x = 38,488,936.50 × 38,488,936.50
  4. Step 4: Simplify right side
    17,731,179x = 1,481,398,232,901,032.25
  5. Step 5: Solve for x
    x = 1,481,398,232,901,032.25/17,731,179
  6. Step 6: Final answer
    x = 83,547,644.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.