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Finding the Third Proportional to 15,500,538 and 25,523,270.72

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Solution

The third proportional to 15,500,538 and 25,523,270.72 is: 42,026,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500,538 : 25,523,270.72 = 25,523,270.72 : x
  2. Step 2: Convert to fraction form
    15,500,538/25,523,270.72 = 25,523,270.72/x
  3. Step 3: Cross multiply
    15,500,538x = 25,523,270.72 × 25,523,270.72
  4. Step 4: Simplify right side
    15,500,538x = 651,437,348,182,601.12
  5. Step 5: Solve for x
    x = 651,437,348,182,601.12/15,500,538
  6. Step 6: Final answer
    x = 42,026,757.28

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.