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Finding the Third Proportional to 5,818,948 and 12,645,129

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Solution

The third proportional to 5,818,948 and 12,645,129 is: 27,479,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,948 : 12,645,129 = 12,645,129 : x
  2. Step 2: Convert to fraction form
    5,818,948/12,645,129 = 12,645,129/x
  3. Step 3: Cross multiply
    5,818,948x = 12,645,129 × 12,645,129
  4. Step 4: Simplify right side
    5,818,948x = 159,899,287,426,641
  5. Step 5: Solve for x
    x = 159,899,287,426,641/5,818,948
  6. Step 6: Final answer
    x = 27,479,071.38

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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.