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Finding the Third Proportional to 21,578,856 and 46,235,638

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Solution

The third proportional to 21,578,856 and 46,235,638 is: 99,066,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,856 : 46,235,638 = 46,235,638 : x
  2. Step 2: Convert to fraction form
    21,578,856/46,235,638 = 46,235,638/x
  3. Step 3: Cross multiply
    21,578,856x = 46,235,638 × 46,235,638
  4. Step 4: Simplify right side
    21,578,856x = 2,137,734,221,267,044
  5. Step 5: Solve for x
    x = 2,137,734,221,267,044/21,578,856
  6. Step 6: Final answer
    x = 99,066,151.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.