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Finding the Third Proportional to 159,309,128 and 246,038,636

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Solution

The third proportional to 159,309,128 and 246,038,636 is: 379,984,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,309,128 : 246,038,636 = 246,038,636 : x
  2. Step 2: Convert to fraction form
    159,309,128/246,038,636 = 246,038,636/x
  3. Step 3: Cross multiply
    159,309,128x = 246,038,636 × 246,038,636
  4. Step 4: Simplify right side
    159,309,128x = 60,535,010,404,740,496
  5. Step 5: Solve for x
    x = 60,535,010,404,740,496/159,309,128
  6. Step 6: Final answer
    x = 379,984,569.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.