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Finding the Third Proportional to 12,934,402 and 20,290,228

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Solution

The third proportional to 12,934,402 and 20,290,228 is: 31,829,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,402 : 20,290,228 = 20,290,228 : x
  2. Step 2: Convert to fraction form
    12,934,402/20,290,228 = 20,290,228/x
  3. Step 3: Cross multiply
    12,934,402x = 20,290,228 × 20,290,228
  4. Step 4: Simplify right side
    12,934,402x = 411,693,352,291,984
  5. Step 5: Solve for x
    x = 411,693,352,291,984/12,934,402
  6. Step 6: Final answer
    x = 31,829,330.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.