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Finding the Third Proportional to 16,861,076 and 36,376,360

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Solution

The third proportional to 16,861,076 and 36,376,360 is: 78,478,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861,076 : 36,376,360 = 36,376,360 : x
  2. Step 2: Convert to fraction form
    16,861,076/36,376,360 = 36,376,360/x
  3. Step 3: Cross multiply
    16,861,076x = 36,376,360 × 36,376,360
  4. Step 4: Simplify right side
    16,861,076x = 1,323,239,566,849,600
  5. Step 5: Solve for x
    x = 1,323,239,566,849,600/16,861,076
  6. Step 6: Final answer
    x = 78,478,951.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.