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Finding the Third Proportional to 918,072 and 1,403,532

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Solution

The third proportional to 918,072 and 1,403,532 is: 2,145,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,072 : 1,403,532 = 1,403,532 : x
  2. Step 2: Convert to fraction form
    918,072/1,403,532 = 1,403,532/x
  3. Step 3: Cross multiply
    918,072x = 1,403,532 × 1,403,532
  4. Step 4: Simplify right side
    918,072x = 1,969,902,075,024
  5. Step 5: Solve for x
    x = 1,969,902,075,024/918,072
  6. Step 6: Final answer
    x = 2,145,694.54

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.