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Finding the Third Proportional to 979,521 and 1,513,610.25

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Solution

The third proportional to 979,521 and 1,513,610.25 is: 2,338,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,521 : 1,513,610.25 = 1,513,610.25 : x
  2. Step 2: Convert to fraction form
    979,521/1,513,610.25 = 1,513,610.25/x
  3. Step 3: Cross multiply
    979,521x = 1,513,610.25 × 1,513,610.25
  4. Step 4: Simplify right side
    979,521x = 2,291,015,988,905.06
  5. Step 5: Solve for x
    x = 2,291,015,988,905.06/979,521
  6. Step 6: Final answer
    x = 2,338,914.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.