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Finding the Third Proportional to 15,517,248 and 33,720,428

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Solution

The third proportional to 15,517,248 and 33,720,428 is: 73,277,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,248 : 33,720,428 = 33,720,428 : x
  2. Step 2: Convert to fraction form
    15,517,248/33,720,428 = 33,720,428/x
  3. Step 3: Cross multiply
    15,517,248x = 33,720,428 × 33,720,428
  4. Step 4: Simplify right side
    15,517,248x = 1,137,067,264,503,184
  5. Step 5: Solve for x
    x = 1,137,067,264,503,184/15,517,248
  6. Step 6: Final answer
    x = 73,277,636.89

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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.