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Finding the Third Proportional to 21,317,484 and 46,885,521

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Solution

The third proportional to 21,317,484 and 46,885,521 is: 103,119,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317,484 : 46,885,521 = 46,885,521 : x
  2. Step 2: Convert to fraction form
    21,317,484/46,885,521 = 46,885,521/x
  3. Step 3: Cross multiply
    21,317,484x = 46,885,521 × 46,885,521
  4. Step 4: Simplify right side
    21,317,484x = 2,198,252,079,441,441
  5. Step 5: Solve for x
    x = 2,198,252,079,441,441/21,317,484
  6. Step 6: Final answer
    x = 103,119,677.70

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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.