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Finding the Third Proportional to 97,428,300 and 209,553,240

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Solution

The third proportional to 97,428,300 and 209,553,240 is: 450,716,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428,300 : 209,553,240 = 209,553,240 : x
  2. Step 2: Convert to fraction form
    97,428,300/209,553,240 = 209,553,240/x
  3. Step 3: Cross multiply
    97,428,300x = 209,553,240 × 209,553,240
  4. Step 4: Simplify right side
    97,428,300x = 43,912,560,394,497,600
  5. Step 5: Solve for x
    x = 43,912,560,394,497,600/97,428,300
  6. Step 6: Final answer
    x = 450,716,684.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.