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Finding the Third Proportional to 261,816.75 and 570,289.50

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Solution

The third proportional to 261,816.75 and 570,289.50 is: 1,242,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,816.75 : 570,289.50 = 570,289.50 : x
  2. Step 2: Convert to fraction form
    261,816.75/570,289.50 = 570,289.50/x
  3. Step 3: Cross multiply
    261,816.75x = 570,289.50 × 570,289.50
  4. Step 4: Simplify right side
    261,816.75x = 325,230,113,810.25
  5. Step 5: Solve for x
    x = 325,230,113,810.25/261,816.75
  6. Step 6: Final answer
    x = 1,242,205.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.