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Finding the Third Proportional to 287,795.25 and 632,695.50

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Solution

The third proportional to 287,795.25 and 632,695.50 is: 1,390,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,795.25 : 632,695.50 = 632,695.50 : x
  2. Step 2: Convert to fraction form
    287,795.25/632,695.50 = 632,695.50/x
  3. Step 3: Cross multiply
    287,795.25x = 632,695.50 × 632,695.50
  4. Step 4: Simplify right side
    287,795.25x = 400,303,595,720.25
  5. Step 5: Solve for x
    x = 400,303,595,720.25/287,795.25
  6. Step 6: Final answer
    x = 1,390,931.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.