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Finding the Third Proportional to 717,853,473 and 1,558,221,321

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Solution

The third proportional to 717,853,473 and 1,558,221,321 is: 3,382,380,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,853,473 : 1,558,221,321 = 1,558,221,321 : x
  2. Step 2: Convert to fraction form
    717,853,473/1,558,221,321 = 1,558,221,321/x
  3. Step 3: Cross multiply
    717,853,473x = 1,558,221,321 × 1,558,221,321
  4. Step 4: Simplify right side
    717,853,473x = 2,428,053,685,218,984,960
  5. Step 5: Solve for x
    x = 2,428,053,685,218,984,960/717,853,473
  6. Step 6: Final answer
    x = 3,382,380,634.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.