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Finding the Third Proportional to 136,306,058 and 211,459,686

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Solution

The third proportional to 136,306,058 and 211,459,686 is: 328,049,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,306,058 : 211,459,686 = 211,459,686 : x
  2. Step 2: Convert to fraction form
    136,306,058/211,459,686 = 211,459,686/x
  3. Step 3: Cross multiply
    136,306,058x = 211,459,686 × 211,459,686
  4. Step 4: Simplify right side
    136,306,058x = 44,715,198,803,218,592
  5. Step 5: Solve for x
    x = 44,715,198,803,218,592/136,306,058
  6. Step 6: Final answer
    x = 328,049,974.15

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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.