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Finding the Third Proportional to 4,702,918.50 and 6,872,912.25

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Solution

The third proportional to 4,702,918.50 and 6,872,912.25 is: 10,044,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702,918.50 : 6,872,912.25 = 6,872,912.25 : x
  2. Step 2: Convert to fraction form
    4,702,918.50/6,872,912.25 = 6,872,912.25/x
  3. Step 3: Cross multiply
    4,702,918.50x = 6,872,912.25 × 6,872,912.25
  4. Step 4: Simplify right side
    4,702,918.50x = 47,236,922,796,200.06
  5. Step 5: Solve for x
    x = 47,236,922,796,200.06/4,702,918.50
  6. Step 6: Final answer
    x = 10,044,172.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.