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Finding the Third Proportional to 18,393,957 and 27,845,407.50

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Solution

The third proportional to 18,393,957 and 27,845,407.50 is: 42,153,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,957 : 27,845,407.50 = 27,845,407.50 : x
  2. Step 2: Convert to fraction form
    18,393,957/27,845,407.50 = 27,845,407.50/x
  3. Step 3: Cross multiply
    18,393,957x = 27,845,407.50 × 27,845,407.50
  4. Step 4: Simplify right side
    18,393,957x = 775,366,718,841,056.25
  5. Step 5: Solve for x
    x = 775,366,718,841,056.25/18,393,957
  6. Step 6: Final answer
    x = 42,153,339.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.