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Finding the Third Proportional to 3,913,425 and 8,521,598

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Solution

The third proportional to 3,913,425 and 8,521,598 is: 18,556,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,425 : 8,521,598 = 8,521,598 : x
  2. Step 2: Convert to fraction form
    3,913,425/8,521,598 = 8,521,598/x
  3. Step 3: Cross multiply
    3,913,425x = 8,521,598 × 8,521,598
  4. Step 4: Simplify right side
    3,913,425x = 72,617,632,473,604
  5. Step 5: Solve for x
    x = 72,617,632,473,604/3,913,425
  6. Step 6: Final answer
    x = 18,556,030.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.