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Finding the Third Proportional to 11,808,342 and 19,281,958.88

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Solution

The third proportional to 11,808,342 and 19,281,958.88 is: 31,485,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,342 : 19,281,958.88 = 19,281,958.88 : x
  2. Step 2: Convert to fraction form
    11,808,342/19,281,958.88 = 19,281,958.88/x
  3. Step 3: Cross multiply
    11,808,342x = 19,281,958.88 × 19,281,958.88
  4. Step 4: Simplify right side
    11,808,342x = 371,793,938,057,191.25
  5. Step 5: Solve for x
    x = 371,793,938,057,191.25/11,808,342
  6. Step 6: Final answer
    x = 31,485,702.06

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.