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Finding the Third Proportional to 13,106,582 and 20,515,233

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Solution

The third proportional to 13,106,582 and 20,515,233 is: 32,111,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,582 : 20,515,233 = 20,515,233 : x
  2. Step 2: Convert to fraction form
    13,106,582/20,515,233 = 20,515,233/x
  3. Step 3: Cross multiply
    13,106,582x = 20,515,233 × 20,515,233
  4. Step 4: Simplify right side
    13,106,582x = 420,874,785,044,289
  5. Step 5: Solve for x
    x = 420,874,785,044,289/13,106,582
  6. Step 6: Final answer
    x = 32,111,711.89

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.