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Finding the Third Proportional to 7,178,814 and 10,655,502

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Solution

The third proportional to 7,178,814 and 10,655,502 is: 15,815,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,814 : 10,655,502 = 10,655,502 : x
  2. Step 2: Convert to fraction form
    7,178,814/10,655,502 = 10,655,502/x
  3. Step 3: Cross multiply
    7,178,814x = 10,655,502 × 10,655,502
  4. Step 4: Simplify right side
    7,178,814x = 113,539,722,872,004
  5. Step 5: Solve for x
    x = 113,539,722,872,004/7,178,814
  6. Step 6: Final answer
    x = 15,815,944.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.