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Finding the Third Proportional to 10,509,321 and 15,839,154

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Solution

The third proportional to 10,509,321 and 15,839,154 is: 23,872,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,321 : 15,839,154 = 15,839,154 : x
  2. Step 2: Convert to fraction form
    10,509,321/15,839,154 = 15,839,154/x
  3. Step 3: Cross multiply
    10,509,321x = 15,839,154 × 15,839,154
  4. Step 4: Simplify right side
    10,509,321x = 250,878,799,435,716
  5. Step 5: Solve for x
    x = 250,878,799,435,716/10,509,321
  6. Step 6: Final answer
    x = 23,872,027.45

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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.