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Finding the Third Proportional to 15,204,880 and 31,487,650

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Solution

The third proportional to 15,204,880 and 31,487,650 is: 65,207,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,880 : 31,487,650 = 31,487,650 : x
  2. Step 2: Convert to fraction form
    15,204,880/31,487,650 = 31,487,650/x
  3. Step 3: Cross multiply
    15,204,880x = 31,487,650 × 31,487,650
  4. Step 4: Simplify right side
    15,204,880x = 991,472,102,522,500
  5. Step 5: Solve for x
    x = 991,472,102,522,500/15,204,880
  6. Step 6: Final answer
    x = 65,207,492.76

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.