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Finding the Third Proportional to 19,890,523.13 and 42,841,631.25

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Solution

The third proportional to 19,890,523.13 and 42,841,631.25 is: 92,275,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,523.13 : 42,841,631.25 = 42,841,631.25 : x
  2. Step 2: Convert to fraction form
    19,890,523.13/42,841,631.25 = 42,841,631.25/x
  3. Step 3: Cross multiply
    19,890,523.13x = 42,841,631.25 × 42,841,631.25
  4. Step 4: Simplify right side
    19,890,523.13x = 1,835,405,368,160,976.50
  5. Step 5: Solve for x
    x = 1,835,405,368,160,976.50/19,890,523.13
  6. Step 6: Final answer
    x = 92,275,369.36

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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.