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Finding the Third Proportional to 21,386,430 and 50,469,804

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Solution

The third proportional to 21,386,430 and 50,469,804 is: 119,103,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,430 : 50,469,804 = 50,469,804 : x
  2. Step 2: Convert to fraction form
    21,386,430/50,469,804 = 50,469,804/x
  3. Step 3: Cross multiply
    21,386,430x = 50,469,804 × 50,469,804
  4. Step 4: Simplify right side
    21,386,430x = 2,547,201,115,798,416
  5. Step 5: Solve for x
    x = 2,547,201,115,798,416/21,386,430
  6. Step 6: Final answer
    x = 119,103,614.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.