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Finding the Third Proportional to 57,039,271 and 123,168,685

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Solution

The third proportional to 57,039,271 and 123,168,685 is: 265,966,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039,271 : 123,168,685 = 123,168,685 : x
  2. Step 2: Convert to fraction form
    57,039,271/123,168,685 = 123,168,685/x
  3. Step 3: Cross multiply
    57,039,271x = 123,168,685 × 123,168,685
  4. Step 4: Simplify right side
    57,039,271x = 15,170,524,964,629,224
  5. Step 5: Solve for x
    x = 15,170,524,964,629,224/57,039,271
  6. Step 6: Final answer
    x = 265,966,319.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.