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Finding the Third Proportional to 4,574,718 and 9,857,983.50

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Solution

The third proportional to 4,574,718 and 9,857,983.50 is: 21,242,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574,718 : 9,857,983.50 = 9,857,983.50 : x
  2. Step 2: Convert to fraction form
    4,574,718/9,857,983.50 = 9,857,983.50/x
  3. Step 3: Cross multiply
    4,574,718x = 9,857,983.50 × 9,857,983.50
  4. Step 4: Simplify right side
    4,574,718x = 97,179,838,686,272.25
  5. Step 5: Solve for x
    x = 97,179,838,686,272.25/4,574,718
  6. Step 6: Final answer
    x = 21,242,804.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.