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Finding the Third Proportional to 15,517,290 and 33,720,514

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Solution

The third proportional to 15,517,290 and 33,720,514 is: 73,277,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,290 : 33,720,514 = 33,720,514 : x
  2. Step 2: Convert to fraction form
    15,517,290/33,720,514 = 33,720,514/x
  3. Step 3: Cross multiply
    15,517,290x = 33,720,514 × 33,720,514
  4. Step 4: Simplify right side
    15,517,290x = 1,137,073,064,424,196
  5. Step 5: Solve for x
    x = 1,137,073,064,424,196/15,517,290
  6. Step 6: Final answer
    x = 73,277,812.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.