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Finding the Third Proportional to 1,313,400 and 2,875,915.50

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Solution

The third proportional to 1,313,400 and 2,875,915.50 is: 6,297,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,400 : 2,875,915.50 = 2,875,915.50 : x
  2. Step 2: Convert to fraction form
    1,313,400/2,875,915.50 = 2,875,915.50/x
  3. Step 3: Cross multiply
    1,313,400x = 2,875,915.50 × 2,875,915.50
  4. Step 4: Simplify right side
    1,313,400x = 8,270,889,963,140.25
  5. Step 5: Solve for x
    x = 8,270,889,963,140.25/1,313,400
  6. Step 6: Final answer
    x = 6,297,312.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.