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Finding the Third Proportional to 4,583,111.63 and 9,954,431.72

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Solution

The third proportional to 4,583,111.63 and 9,954,431.72 is: 21,620,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,583,111.63 : 9,954,431.72 = 9,954,431.72 : x
  2. Step 2: Convert to fraction form
    4,583,111.63/9,954,431.72 = 9,954,431.72/x
  3. Step 3: Cross multiply
    4,583,111.63x = 9,954,431.72 × 9,954,431.72
  4. Step 4: Simplify right side
    4,583,111.63x = 99,090,710,843,256.08
  5. Step 5: Solve for x
    x = 99,090,710,843,256.08/4,583,111.63
  6. Step 6: Final answer
    x = 21,620,837.32

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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.