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Finding the Third Proportional to 28,911,499 and 39,645,486

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Solution

The third proportional to 28,911,499 and 39,645,486 is: 54,364,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,499 : 39,645,486 = 39,645,486 : x
  2. Step 2: Convert to fraction form
    28,911,499/39,645,486 = 39,645,486/x
  3. Step 3: Cross multiply
    28,911,499x = 39,645,486 × 39,645,486
  4. Step 4: Simplify right side
    28,911,499x = 1,571,764,560,176,196
  5. Step 5: Solve for x
    x = 1,571,764,560,176,196/28,911,499
  6. Step 6: Final answer
    x = 54,364,685.84

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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.