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Finding the Third Proportional to 62,397,478 and 139,134,372

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Solution

The third proportional to 62,397,478 and 139,134,372 is: 310,242,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,397,478 : 139,134,372 = 139,134,372 : x
  2. Step 2: Convert to fraction form
    62,397,478/139,134,372 = 139,134,372/x
  3. Step 3: Cross multiply
    62,397,478x = 139,134,372 × 139,134,372
  4. Step 4: Simplify right side
    62,397,478x = 19,358,373,471,834,384
  5. Step 5: Solve for x
    x = 19,358,373,471,834,384/62,397,478
  6. Step 6: Final answer
    x = 310,242,883.08

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.