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Finding the Third Proportional to 4,925,384,137 and 7,632,989,310

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Solution

The third proportional to 4,925,384,137 and 7,632,989,310 is: 11,829,031,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925,384,137 : 7,632,989,310 = 7,632,989,310 : x
  2. Step 2: Convert to fraction form
    4,925,384,137/7,632,989,310 = 7,632,989,310/x
  3. Step 3: Cross multiply
    4,925,384,137x = 7,632,989,310 × 7,632,989,310
  4. Step 4: Simplify right side
    4,925,384,137x = 58,262,525,806,574,272,512
  5. Step 5: Solve for x
    x = 58,262,525,806,574,272,512/4,925,384,137
  6. Step 6: Final answer
    x = 11,829,031,845.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.