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Finding the Third Proportional to 53,070,146 and 79,979,199

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Solution

The third proportional to 53,070,146 and 79,979,199 is: 120,532,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070,146 : 79,979,199 = 79,979,199 : x
  2. Step 2: Convert to fraction form
    53,070,146/79,979,199 = 79,979,199/x
  3. Step 3: Cross multiply
    53,070,146x = 79,979,199 × 79,979,199
  4. Step 4: Simplify right side
    53,070,146x = 6,396,672,272,681,601
  5. Step 5: Solve for x
    x = 6,396,672,272,681,601/53,070,146
  6. Step 6: Final answer
    x = 120,532,403.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.