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Finding the Third Proportional to 9,489,881 and 19,652,656

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Solution

The third proportional to 9,489,881 and 19,652,656 is: 40,698,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,881 : 19,652,656 = 19,652,656 : x
  2. Step 2: Convert to fraction form
    9,489,881/19,652,656 = 19,652,656/x
  3. Step 3: Cross multiply
    9,489,881x = 19,652,656 × 19,652,656
  4. Step 4: Simplify right side
    9,489,881x = 386,226,887,854,336
  5. Step 5: Solve for x
    x = 386,226,887,854,336/9,489,881
  6. Step 6: Final answer
    x = 40,698,812.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.