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Finding the Third Proportional to 553,635 and 904,020.75

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Solution

The third proportional to 553,635 and 904,020.75 is: 1,476,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,635 : 904,020.75 = 904,020.75 : x
  2. Step 2: Convert to fraction form
    553,635/904,020.75 = 904,020.75/x
  3. Step 3: Cross multiply
    553,635x = 904,020.75 × 904,020.75
  4. Step 4: Simplify right side
    553,635x = 817,253,516,430.56
  5. Step 5: Solve for x
    x = 817,253,516,430.56/553,635
  6. Step 6: Final answer
    x = 1,476,159.41

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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.