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Finding the Third Proportional to 135,803,274 and 215,392,402

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Solution

The third proportional to 135,803,274 and 215,392,402 is: 341,625,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,803,274 : 215,392,402 = 215,392,402 : x
  2. Step 2: Convert to fraction form
    135,803,274/215,392,402 = 215,392,402/x
  3. Step 3: Cross multiply
    135,803,274x = 215,392,402 × 215,392,402
  4. Step 4: Simplify right side
    135,803,274x = 46,393,886,839,329,600
  5. Step 5: Solve for x
    x = 46,393,886,839,329,600/135,803,274
  6. Step 6: Final answer
    x = 341,625,687.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.