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Finding the Third Proportional to 7,953,155 and 12,613,718

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Solution

The third proportional to 7,953,155 and 12,613,718 is: 20,005,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953,155 : 12,613,718 = 12,613,718 : x
  2. Step 2: Convert to fraction form
    7,953,155/12,613,718 = 12,613,718/x
  3. Step 3: Cross multiply
    7,953,155x = 12,613,718 × 12,613,718
  4. Step 4: Simplify right side
    7,953,155x = 159,105,881,783,524
  5. Step 5: Solve for x
    x = 159,105,881,783,524/7,953,155
  6. Step 6: Final answer
    x = 20,005,379.22

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.