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Finding the Third Proportional to 14,652,555 and 21,539,811

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Solution

The third proportional to 14,652,555 and 21,539,811 is: 31,664,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,555 : 21,539,811 = 21,539,811 : x
  2. Step 2: Convert to fraction form
    14,652,555/21,539,811 = 21,539,811/x
  3. Step 3: Cross multiply
    14,652,555x = 21,539,811 × 21,539,811
  4. Step 4: Simplify right side
    14,652,555x = 463,963,457,915,721
  5. Step 5: Solve for x
    x = 463,963,457,915,721/14,652,555
  6. Step 6: Final answer
    x = 31,664,338.26

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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.