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Finding the Third Proportional to 414,528 and 889,440

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Solution

The third proportional to 414,528 and 889,440 is: 1,908,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,528 : 889,440 = 889,440 : x
  2. Step 2: Convert to fraction form
    414,528/889,440 = 889,440/x
  3. Step 3: Cross multiply
    414,528x = 889,440 × 889,440
  4. Step 4: Simplify right side
    414,528x = 791,103,513,600
  5. Step 5: Solve for x
    x = 791,103,513,600/414,528
  6. Step 6: Final answer
    x = 1,908,444.09

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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.