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Finding the Third Proportional to 62,047,389 and 136,403,215

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Solution

The third proportional to 62,047,389 and 136,403,215 is: 299,864,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,047,389 : 136,403,215 = 136,403,215 : x
  2. Step 2: Convert to fraction form
    62,047,389/136,403,215 = 136,403,215/x
  3. Step 3: Cross multiply
    62,047,389x = 136,403,215 × 136,403,215
  4. Step 4: Simplify right side
    62,047,389x = 18,605,837,062,336,224
  5. Step 5: Solve for x
    x = 18,605,837,062,336,224/62,047,389
  6. Step 6: Final answer
    x = 299,864,947.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.