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Finding the Third Proportional to 5,238,432 and 7,825,386.38

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Solution

The third proportional to 5,238,432 and 7,825,386.38 is: 11,689,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,432 : 7,825,386.38 = 7,825,386.38 : x
  2. Step 2: Convert to fraction form
    5,238,432/7,825,386.38 = 7,825,386.38/x
  3. Step 3: Cross multiply
    5,238,432x = 7,825,386.38 × 7,825,386.38
  4. Step 4: Simplify right side
    5,238,432x = 61,236,671,918,035.64
  5. Step 5: Solve for x
    x = 61,236,671,918,035.64/5,238,432
  6. Step 6: Final answer
    x = 11,689,885.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.