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Finding the Third Proportional to 620,937.14 and 972,001.90

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Solution

The third proportional to 620,937.14 and 972,001.90 is: 1,521,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,937.14 : 972,001.90 = 972,001.90 : x
  2. Step 2: Convert to fraction form
    620,937.14/972,001.90 = 972,001.90/x
  3. Step 3: Cross multiply
    620,937.14x = 972,001.90 × 972,001.90
  4. Step 4: Simplify right side
    620,937.14x = 944,787,690,566.10
  5. Step 5: Solve for x
    x = 944,787,690,566.10/620,937.14
  6. Step 6: Final answer
    x = 1,521,551.26

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.