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Finding the Third Proportional to 9,987,480 and 21,548,304

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Solution

The third proportional to 9,987,480 and 21,548,304 is: 46,491,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,480 : 21,548,304 = 21,548,304 : x
  2. Step 2: Convert to fraction form
    9,987,480/21,548,304 = 21,548,304/x
  3. Step 3: Cross multiply
    9,987,480x = 21,548,304 × 21,548,304
  4. Step 4: Simplify right side
    9,987,480x = 464,329,405,276,416
  5. Step 5: Solve for x
    x = 464,329,405,276,416/9,987,480
  6. Step 6: Final answer
    x = 46,491,147.44

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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.