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Finding the Third Proportional to 5,136,364 and 11,128,688

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Solution

The third proportional to 5,136,364 and 11,128,688 is: 24,111,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,364 : 11,128,688 = 11,128,688 : x
  2. Step 2: Convert to fraction form
    5,136,364/11,128,688 = 11,128,688/x
  3. Step 3: Cross multiply
    5,136,364x = 11,128,688 × 11,128,688
  4. Step 4: Simplify right side
    5,136,364x = 123,847,696,601,344
  5. Step 5: Solve for x
    x = 123,847,696,601,344/5,136,364
  6. Step 6: Final answer
    x = 24,111,939.22

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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.