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Finding the Third Proportional to 4,299,666 and 6,215,490

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Solution

The third proportional to 4,299,666 and 6,215,490 is: 8,984,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299,666 : 6,215,490 = 6,215,490 : x
  2. Step 2: Convert to fraction form
    4,299,666/6,215,490 = 6,215,490/x
  3. Step 3: Cross multiply
    4,299,666x = 6,215,490 × 6,215,490
  4. Step 4: Simplify right side
    4,299,666x = 38,632,315,940,100
  5. Step 5: Solve for x
    x = 38,632,315,940,100/4,299,666
  6. Step 6: Final answer
    x = 8,984,957.42

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.