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Finding the Third Proportional to 15,688,640 and 33,898,168

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Solution

The third proportional to 15,688,640 and 33,898,168 is: 73,243,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688,640 : 33,898,168 = 33,898,168 : x
  2. Step 2: Convert to fraction form
    15,688,640/33,898,168 = 33,898,168/x
  3. Step 3: Cross multiply
    15,688,640x = 33,898,168 × 33,898,168
  4. Step 4: Simplify right side
    15,688,640x = 1,149,085,793,756,224
  5. Step 5: Solve for x
    x = 1,149,085,793,756,224/15,688,640
  6. Step 6: Final answer
    x = 73,243,174.28

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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.