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Finding the Third Proportional to 56,486,174 and 121,930,300

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Solution

The third proportional to 56,486,174 and 121,930,300 is: 263,197,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,486,174 : 121,930,300 = 121,930,300 : x
  2. Step 2: Convert to fraction form
    56,486,174/121,930,300 = 121,930,300/x
  3. Step 3: Cross multiply
    56,486,174x = 121,930,300 × 121,930,300
  4. Step 4: Simplify right side
    56,486,174x = 14,866,998,058,090,000
  5. Step 5: Solve for x
    x = 14,866,998,058,090,000/56,486,174
  6. Step 6: Final answer
    x = 263,197,115.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.