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Finding the Third Proportional to 79,276,174 and 121,283,396

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Solution

The third proportional to 79,276,174 and 121,283,396 is: 185,549,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276,174 : 121,283,396 = 121,283,396 : x
  2. Step 2: Convert to fraction form
    79,276,174/121,283,396 = 121,283,396/x
  3. Step 3: Cross multiply
    79,276,174x = 121,283,396 × 121,283,396
  4. Step 4: Simplify right side
    79,276,174x = 14,709,662,145,292,816
  5. Step 5: Solve for x
    x = 14,709,662,145,292,816/79,276,174
  6. Step 6: Final answer
    x = 185,549,597.10

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.