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Finding the Third Proportional to 163,260,219 and 355,216,974

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Solution

The third proportional to 163,260,219 and 355,216,974 is: 772,871,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,260,219 : 355,216,974 = 355,216,974 : x
  2. Step 2: Convert to fraction form
    163,260,219/355,216,974 = 355,216,974/x
  3. Step 3: Cross multiply
    163,260,219x = 355,216,974 × 355,216,974
  4. Step 4: Simplify right side
    163,260,219x = 126,179,098,617,716,672
  5. Step 5: Solve for x
    x = 126,179,098,617,716,672/163,260,219
  6. Step 6: Final answer
    x = 772,871,060.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.