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Finding the Third Proportional to 13,441,578 and 20,411,685

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Solution

The third proportional to 13,441,578 and 20,411,685 is: 30,996,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441,578 : 20,411,685 = 20,411,685 : x
  2. Step 2: Convert to fraction form
    13,441,578/20,411,685 = 20,411,685/x
  3. Step 3: Cross multiply
    13,441,578x = 20,411,685 × 20,411,685
  4. Step 4: Simplify right side
    13,441,578x = 416,636,884,539,225
  5. Step 5: Solve for x
    x = 416,636,884,539,225/13,441,578
  6. Step 6: Final answer
    x = 30,996,128.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.