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Finding the Third Proportional to 15,783,142 and 36,876,540

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Solution

The third proportional to 15,783,142 and 36,876,540 is: 86,160,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,142 : 36,876,540 = 36,876,540 : x
  2. Step 2: Convert to fraction form
    15,783,142/36,876,540 = 36,876,540/x
  3. Step 3: Cross multiply
    15,783,142x = 36,876,540 × 36,876,540
  4. Step 4: Simplify right side
    15,783,142x = 1,359,879,202,371,600
  5. Step 5: Solve for x
    x = 1,359,879,202,371,600/15,783,142
  6. Step 6: Final answer
    x = 86,160,233.64

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.