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Finding the Third Proportional to 115,631,520 and 250,315,942

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Solution

The third proportional to 115,631,520 and 250,315,942 is: 541,877,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,631,520 : 250,315,942 = 250,315,942 : x
  2. Step 2: Convert to fraction form
    115,631,520/250,315,942 = 250,315,942/x
  3. Step 3: Cross multiply
    115,631,520x = 250,315,942 × 250,315,942
  4. Step 4: Simplify right side
    115,631,520x = 62,658,070,819,347,360
  5. Step 5: Solve for x
    x = 62,658,070,819,347,360/115,631,520
  6. Step 6: Final answer
    x = 541,877,083.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.