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Finding the Third Proportional to 9,080,690 and 19,755,703

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Solution

The third proportional to 9,080,690 and 19,755,703 is: 42,979,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080,690 : 19,755,703 = 19,755,703 : x
  2. Step 2: Convert to fraction form
    9,080,690/19,755,703 = 19,755,703/x
  3. Step 3: Cross multiply
    9,080,690x = 19,755,703 × 19,755,703
  4. Step 4: Simplify right side
    9,080,690x = 390,287,801,024,209
  5. Step 5: Solve for x
    x = 390,287,801,024,209/9,080,690
  6. Step 6: Final answer
    x = 42,979,971.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.