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Finding the Third Proportional to 9,918,787.50 and 15,320,157.75

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Solution

The third proportional to 9,918,787.50 and 15,320,157.75 is: 23,662,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,787.50 : 15,320,157.75 = 15,320,157.75 : x
  2. Step 2: Convert to fraction form
    9,918,787.50/15,320,157.75 = 15,320,157.75/x
  3. Step 3: Cross multiply
    9,918,787.50x = 15,320,157.75 × 15,320,157.75
  4. Step 4: Simplify right side
    9,918,787.50x = 234,707,233,484,885.06
  5. Step 5: Solve for x
    x = 234,707,233,484,885.06/9,918,787.50
  6. Step 6: Final answer
    x = 23,662,895.64

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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.