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Finding the Third Proportional to 15,240,576 and 20,698,368

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Solution

The third proportional to 15,240,576 and 20,698,368 is: 28,110,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240,576 : 20,698,368 = 20,698,368 : x
  2. Step 2: Convert to fraction form
    15,240,576/20,698,368 = 20,698,368/x
  3. Step 3: Cross multiply
    15,240,576x = 20,698,368 × 20,698,368
  4. Step 4: Simplify right side
    15,240,576x = 428,422,437,863,424
  5. Step 5: Solve for x
    x = 428,422,437,863,424/15,240,576
  6. Step 6: Final answer
    x = 28,110,646.07

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.