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Finding the Third Proportional to 691,020 and 1,066,052.25

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Solution

The third proportional to 691,020 and 1,066,052.25 is: 1,644,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,020 : 1,066,052.25 = 1,066,052.25 : x
  2. Step 2: Convert to fraction form
    691,020/1,066,052.25 = 1,066,052.25/x
  3. Step 3: Cross multiply
    691,020x = 1,066,052.25 × 1,066,052.25
  4. Step 4: Simplify right side
    691,020x = 1,136,467,399,730.06
  5. Step 5: Solve for x
    x = 1,136,467,399,730.06/691,020
  6. Step 6: Final answer
    x = 1,644,623.02

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.