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Finding the Third Proportional to 3,999,294 and 8,605,510.88

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Solution

The third proportional to 3,999,294 and 8,605,510.88 is: 18,516,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,294 : 8,605,510.88 = 8,605,510.88 : x
  2. Step 2: Convert to fraction form
    3,999,294/8,605,510.88 = 8,605,510.88/x
  3. Step 3: Cross multiply
    3,999,294x = 8,605,510.88 × 8,605,510.88
  4. Step 4: Simplify right side
    3,999,294x = 74,054,817,419,743.27
  5. Step 5: Solve for x
    x = 74,054,817,419,743.27/3,999,294
  6. Step 6: Final answer
    x = 18,516,972.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.