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Finding the Third Proportional to 14,479,775 and 21,276,430

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Solution

The third proportional to 14,479,775 and 21,276,430 is: 31,263,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,775 : 21,276,430 = 21,276,430 : x
  2. Step 2: Convert to fraction form
    14,479,775/21,276,430 = 21,276,430/x
  3. Step 3: Cross multiply
    14,479,775x = 21,276,430 × 21,276,430
  4. Step 4: Simplify right side
    14,479,775x = 452,686,473,544,900
  5. Step 5: Solve for x
    x = 452,686,473,544,900/14,479,775
  6. Step 6: Final answer
    x = 31,263,363.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.