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Finding the Third Proportional to 553,599 and 903,969

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Solution

The third proportional to 553,599 and 903,969 is: 1,476,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,599 : 903,969 = 903,969 : x
  2. Step 2: Convert to fraction form
    553,599/903,969 = 903,969/x
  3. Step 3: Cross multiply
    553,599x = 903,969 × 903,969
  4. Step 4: Simplify right side
    553,599x = 817,159,952,961
  5. Step 5: Solve for x
    x = 817,159,952,961/553,599
  6. Step 6: Final answer
    x = 1,476,086.40

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.