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Finding the Third Proportional to 8,574,540 and 13,270,842

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Solution

The third proportional to 8,574,540 and 13,270,842 is: 20,539,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574,540 : 13,270,842 = 13,270,842 : x
  2. Step 2: Convert to fraction form
    8,574,540/13,270,842 = 13,270,842/x
  3. Step 3: Cross multiply
    8,574,540x = 13,270,842 × 13,270,842
  4. Step 4: Simplify right side
    8,574,540x = 176,115,247,388,964
  5. Step 5: Solve for x
    x = 176,115,247,388,964/8,574,540
  6. Step 6: Final answer
    x = 20,539,323.09

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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.