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Finding the Third Proportional to 7,520,987 and 11,626,487

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Solution

The third proportional to 7,520,987 and 11,626,487 is: 17,973,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,987 : 11,626,487 = 11,626,487 : x
  2. Step 2: Convert to fraction form
    7,520,987/11,626,487 = 11,626,487/x
  3. Step 3: Cross multiply
    7,520,987x = 11,626,487 × 11,626,487
  4. Step 4: Simplify right side
    7,520,987x = 135,175,199,961,169
  5. Step 5: Solve for x
    x = 135,175,199,961,169/7,520,987
  6. Step 6: Final answer
    x = 17,973,066.56

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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.