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Finding the Third Proportional to 17,980,617 and 38,838,467

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Solution

The third proportional to 17,980,617 and 38,838,467 is: 83,891,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980,617 : 38,838,467 = 38,838,467 : x
  2. Step 2: Convert to fraction form
    17,980,617/38,838,467 = 38,838,467/x
  3. Step 3: Cross multiply
    17,980,617x = 38,838,467 × 38,838,467
  4. Step 4: Simplify right side
    17,980,617x = 1,508,426,518,910,089
  5. Step 5: Solve for x
    x = 1,508,426,518,910,089/17,980,617
  6. Step 6: Final answer
    x = 83,891,810.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.