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Finding the Third Proportional to 20,702,482 and 31,343,864

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Solution

The third proportional to 20,702,482 and 31,343,864 is: 47,455,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,482 : 31,343,864 = 31,343,864 : x
  2. Step 2: Convert to fraction form
    20,702,482/31,343,864 = 31,343,864/x
  3. Step 3: Cross multiply
    20,702,482x = 31,343,864 × 31,343,864
  4. Step 4: Simplify right side
    20,702,482x = 982,437,810,450,496
  5. Step 5: Solve for x
    x = 982,437,810,450,496/20,702,482
  6. Step 6: Final answer
    x = 47,455,073.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.