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Finding the Third Proportional to 15,403,915 and 33,376,441

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Solution

The third proportional to 15,403,915 and 33,376,441 is: 72,318,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403,915 : 33,376,441 = 33,376,441 : x
  2. Step 2: Convert to fraction form
    15,403,915/33,376,441 = 33,376,441/x
  3. Step 3: Cross multiply
    15,403,915x = 33,376,441 × 33,376,441
  4. Step 4: Simplify right side
    15,403,915x = 1,113,986,813,826,481
  5. Step 5: Solve for x
    x = 1,113,986,813,826,481/15,403,915
  6. Step 6: Final answer
    x = 72,318,421.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.