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Finding the Third Proportional to 21,521,130 and 46,442,028

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Solution

The third proportional to 21,521,130 and 46,442,028 is: 100,220,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,130 : 46,442,028 = 46,442,028 : x
  2. Step 2: Convert to fraction form
    21,521,130/46,442,028 = 46,442,028/x
  3. Step 3: Cross multiply
    21,521,130x = 46,442,028 × 46,442,028
  4. Step 4: Simplify right side
    21,521,130x = 2,156,861,964,752,784
  5. Step 5: Solve for x
    x = 2,156,861,964,752,784/21,521,130
  6. Step 6: Final answer
    x = 100,220,665.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.