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Finding the Third Proportional to 79,341,601.50 and 122,602,878

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Solution

The third proportional to 79,341,601.50 and 122,602,878 is: 189,452,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341,601.50 : 122,602,878 = 122,602,878 : x
  2. Step 2: Convert to fraction form
    79,341,601.50/122,602,878 = 122,602,878/x
  3. Step 3: Cross multiply
    79,341,601.50x = 122,602,878 × 122,602,878
  4. Step 4: Simplify right side
    79,341,601.50x = 15,031,465,693,882,884
  5. Step 5: Solve for x
    x = 15,031,465,693,882,884/79,341,601.50
  6. Step 6: Final answer
    x = 189,452,511.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.