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Finding the Third Proportional to 10,509,299 and 15,839,118

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Solution

The third proportional to 10,509,299 and 15,839,118 is: 23,871,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,299 : 15,839,118 = 15,839,118 : x
  2. Step 2: Convert to fraction form
    10,509,299/15,839,118 = 15,839,118/x
  3. Step 3: Cross multiply
    10,509,299x = 15,839,118 × 15,839,118
  4. Step 4: Simplify right side
    10,509,299x = 250,877,659,017,924
  5. Step 5: Solve for x
    x = 250,877,659,017,924/10,509,299
  6. Step 6: Final answer
    x = 23,871,968.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.