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Finding the Third Proportional to 21,492,650 and 47,207,604

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Solution

The third proportional to 21,492,650 and 47,207,604 is: 103,689,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,650 : 47,207,604 = 47,207,604 : x
  2. Step 2: Convert to fraction form
    21,492,650/47,207,604 = 47,207,604/x
  3. Step 3: Cross multiply
    21,492,650x = 47,207,604 × 47,207,604
  4. Step 4: Simplify right side
    21,492,650x = 2,228,557,875,420,816
  5. Step 5: Solve for x
    x = 2,228,557,875,420,816/21,492,650
  6. Step 6: Final answer
    x = 103,689,301.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.