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Finding the Third Proportional to 21,248,190 and 45,747,207

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Solution

The third proportional to 21,248,190 and 45,747,207 is: 98,493,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,190 : 45,747,207 = 45,747,207 : x
  2. Step 2: Convert to fraction form
    21,248,190/45,747,207 = 45,747,207/x
  3. Step 3: Cross multiply
    21,248,190x = 45,747,207 × 45,747,207
  4. Step 4: Simplify right side
    21,248,190x = 2,092,806,948,300,849
  5. Step 5: Solve for x
    x = 2,092,806,948,300,849/21,248,190
  6. Step 6: Final answer
    x = 98,493,422.18

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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.