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Finding the Third Proportional to 12,532,391 and 18,881,559

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Solution

The third proportional to 12,532,391 and 18,881,559 is: 28,447,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532,391 : 18,881,559 = 18,881,559 : x
  2. Step 2: Convert to fraction form
    12,532,391/18,881,559 = 18,881,559/x
  3. Step 3: Cross multiply
    12,532,391x = 18,881,559 × 18,881,559
  4. Step 4: Simplify right side
    12,532,391x = 356,513,270,270,481
  5. Step 5: Solve for x
    x = 356,513,270,270,481/12,532,391
  6. Step 6: Final answer
    x = 28,447,346.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.