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Finding the Third Proportional to 56,858,710 and 81,252,415

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Solution

The third proportional to 56,858,710 and 81,252,415 is: 116,111,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858,710 : 81,252,415 = 81,252,415 : x
  2. Step 2: Convert to fraction form
    56,858,710/81,252,415 = 81,252,415/x
  3. Step 3: Cross multiply
    56,858,710x = 81,252,415 × 81,252,415
  4. Step 4: Simplify right side
    56,858,710x = 6,601,954,943,332,225
  5. Step 5: Solve for x
    x = 6,601,954,943,332,225/56,858,710
  6. Step 6: Final answer
    x = 116,111,585.07

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.