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Finding the Third Proportional to 623,868.75 and 931,645.13

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Solution

The third proportional to 623,868.75 and 931,645.13 is: 1,391,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,868.75 : 931,645.13 = 931,645.13 : x
  2. Step 2: Convert to fraction form
    623,868.75/931,645.13 = 931,645.13/x
  3. Step 3: Cross multiply
    623,868.75x = 931,645.13 × 931,645.13
  4. Step 4: Simplify right side
    623,868.75x = 867,962,638,936.27
  5. Step 5: Solve for x
    x = 867,962,638,936.27/623,868.75
  6. Step 6: Final answer
    x = 1,391,258.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.