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Finding the Third Proportional to 17,177,440 and 36,342,854

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Solution

The third proportional to 17,177,440 and 36,342,854 is: 76,891,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177,440 : 36,342,854 = 36,342,854 : x
  2. Step 2: Convert to fraction form
    17,177,440/36,342,854 = 36,342,854/x
  3. Step 3: Cross multiply
    17,177,440x = 36,342,854 × 36,342,854
  4. Step 4: Simplify right side
    17,177,440x = 1,320,803,036,865,316
  5. Step 5: Solve for x
    x = 1,320,803,036,865,316/17,177,440
  6. Step 6: Final answer
    x = 76,891,727.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.