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Finding the Third Proportional to 407,168 and 874,528

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Solution

The third proportional to 407,168 and 874,528 is: 1,878,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,168 : 874,528 = 874,528 : x
  2. Step 2: Convert to fraction form
    407,168/874,528 = 874,528/x
  3. Step 3: Cross multiply
    407,168x = 874,528 × 874,528
  4. Step 4: Simplify right side
    407,168x = 764,799,222,784
  5. Step 5: Solve for x
    x = 764,799,222,784/407,168
  6. Step 6: Final answer
    x = 1,878,338.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.