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Finding the Third Proportional to 7,090,626 and 11,000,139

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Solution

The third proportional to 7,090,626 and 11,000,139 is: 17,065,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090,626 : 11,000,139 = 11,000,139 : x
  2. Step 2: Convert to fraction form
    7,090,626/11,000,139 = 11,000,139/x
  3. Step 3: Cross multiply
    7,090,626x = 11,000,139 × 11,000,139
  4. Step 4: Simplify right side
    7,090,626x = 121,003,058,019,321
  5. Step 5: Solve for x
    x = 121,003,058,019,321/7,090,626
  6. Step 6: Final answer
    x = 17,065,215.12

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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.