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Finding the Third Proportional to 4,643 and 6,907.50

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Solution

The third proportional to 4,643 and 6,907.50 is: 10,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643 : 6,907.50 = 6,907.50 : x
  2. Step 2: Convert to fraction form
    4,643/6,907.50 = 6,907.50/x
  3. Step 3: Cross multiply
    4,643x = 6,907.50 × 6,907.50
  4. Step 4: Simplify right side
    4,643x = 47,713,556.25
  5. Step 5: Solve for x
    x = 47,713,556.25/4,643
  6. Step 6: Final answer
    x = 10,276.45

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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.