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Finding the Third Proportional to 202,708,687.88 and 442,573,958.63

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Solution

The third proportional to 202,708,687.88 and 442,573,958.63 is: 966,271,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,708,687.88 : 442,573,958.63 = 442,573,958.63 : x
  2. Step 2: Convert to fraction form
    202,708,687.88/442,573,958.63 = 442,573,958.63/x
  3. Step 3: Cross multiply
    202,708,687.88x = 442,573,958.63 × 442,573,958.63
  4. Step 4: Simplify right side
    202,708,687.88x = 195,871,708,853,003,200
  5. Step 5: Solve for x
    x = 195,871,708,853,003,200/202,708,687.88
  6. Step 6: Final answer
    x = 966,271,899.38

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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.