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Finding the Third Proportional to 21,389,074 and 46,187,196

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Solution

The third proportional to 21,389,074 and 46,187,196 is: 99,735,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,074 : 46,187,196 = 46,187,196 : x
  2. Step 2: Convert to fraction form
    21,389,074/46,187,196 = 46,187,196/x
  3. Step 3: Cross multiply
    21,389,074x = 46,187,196 × 46,187,196
  4. Step 4: Simplify right side
    21,389,074x = 2,133,257,074,342,416
  5. Step 5: Solve for x
    x = 2,133,257,074,342,416/21,389,074
  6. Step 6: Final answer
    x = 99,735,831.22

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