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Finding the Third Proportional to 5,818,988 and 12,645,202

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Solution

The third proportional to 5,818,988 and 12,645,202 is: 27,479,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,988 : 12,645,202 = 12,645,202 : x
  2. Step 2: Convert to fraction form
    5,818,988/12,645,202 = 12,645,202/x
  3. Step 3: Cross multiply
    5,818,988x = 12,645,202 × 12,645,202
  4. Step 4: Simplify right side
    5,818,988x = 159,901,133,620,804
  5. Step 5: Solve for x
    x = 159,901,133,620,804/5,818,988
  6. Step 6: Final answer
    x = 27,479,199.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.