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Finding the Third Proportional to 5,516,579 and 8,563,553

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Solution

The third proportional to 5,516,579 and 8,563,553 is: 13,293,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516,579 : 8,563,553 = 8,563,553 : x
  2. Step 2: Convert to fraction form
    5,516,579/8,563,553 = 8,563,553/x
  3. Step 3: Cross multiply
    5,516,579x = 8,563,553 × 8,563,553
  4. Step 4: Simplify right side
    5,516,579x = 73,334,439,983,809
  5. Step 5: Solve for x
    x = 73,334,439,983,809/5,516,579
  6. Step 6: Final answer
    x = 13,293,463.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.