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Finding the Third Proportional to 9,918,984 and 15,320,420

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Solution

The third proportional to 9,918,984 and 15,320,420 is: 23,663,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,984 : 15,320,420 = 15,320,420 : x
  2. Step 2: Convert to fraction form
    9,918,984/15,320,420 = 15,320,420/x
  3. Step 3: Cross multiply
    9,918,984x = 15,320,420 × 15,320,420
  4. Step 4: Simplify right side
    9,918,984x = 234,715,268,976,400
  5. Step 5: Solve for x
    x = 234,715,268,976,400/9,918,984
  6. Step 6: Final answer
    x = 23,663,236.98

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.