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Finding the Third Proportional to 17,917,696.13 and 39,254,018.77

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Solution

The third proportional to 17,917,696.13 and 39,254,018.77 is: 85,997,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917,696.13 : 39,254,018.77 = 39,254,018.77 : x
  2. Step 2: Convert to fraction form
    17,917,696.13/39,254,018.77 = 39,254,018.77/x
  3. Step 3: Cross multiply
    17,917,696.13x = 39,254,018.77 × 39,254,018.77
  4. Step 4: Simplify right side
    17,917,696.13x = 1,540,877,989,252,039.75
  5. Step 5: Solve for x
    x = 1,540,877,989,252,039.75/17,917,696.13
  6. Step 6: Final answer
    x = 85,997,551.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.