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Finding the Third Proportional to 270,564,330.94 and 418,271,414.91

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Solution

The third proportional to 270,564,330.94 and 418,271,414.91 is: 646,615,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,564,330.94 : 418,271,414.91 = 418,271,414.91 : x
  2. Step 2: Convert to fraction form
    270,564,330.94/418,271,414.91 = 418,271,414.91/x
  3. Step 3: Cross multiply
    270,564,330.94x = 418,271,414.91 × 418,271,414.91
  4. Step 4: Simplify right side
    270,564,330.94x = 174,950,976,527,676,320
  5. Step 5: Solve for x
    x = 174,950,976,527,676,320/270,564,330.94
  6. Step 6: Final answer
    x = 646,615,080.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.