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Finding the Third Proportional to 435,030 and 612,627

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Solution

The third proportional to 435,030 and 612,627 is: 862,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,030 : 612,627 = 612,627 : x
  2. Step 2: Convert to fraction form
    435,030/612,627 = 612,627/x
  3. Step 3: Cross multiply
    435,030x = 612,627 × 612,627
  4. Step 4: Simplify right side
    435,030x = 375,311,841,129
  5. Step 5: Solve for x
    x = 375,311,841,129/435,030
  6. Step 6: Final answer
    x = 862,726.34

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.