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Finding the Third Proportional to 28,911,500 and 39,645,487

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Solution

The third proportional to 28,911,500 and 39,645,487 is: 54,364,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,500 : 39,645,487 = 39,645,487 : x
  2. Step 2: Convert to fraction form
    28,911,500/39,645,487 = 39,645,487/x
  3. Step 3: Cross multiply
    28,911,500x = 39,645,487 × 39,645,487
  4. Step 4: Simplify right side
    28,911,500x = 1,571,764,639,467,169
  5. Step 5: Solve for x
    x = 1,571,764,639,467,169/28,911,500
  6. Step 6: Final answer
    x = 54,364,686.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.